Finding the Fourth Proportional to 76,151,490,990.24, 104,978,300,152.56 and 53,217,424,783.20

Step by Step Solution

1. Step 1: Write the proportion equation
   76,151,490,990.24 : 104,978,300,152.56 = 53,217,424,783.20 : x
2. Step 2: Convert to fraction form
   76,151,490,990.24/104,978,300,152.56 = 53,217,424,783.20/x
3. Step 3: Cross multiply
   76,151,490,990.24x = 104,978,300,152.56 × 53,217,424,783.20
4. Step 4: Simplify right side
   76,151,490,990.24x = 5,586,674,792,237,054,820,352
5. Step 5: Solve for x
   x = 5,586,674,792,237,054,820,352/76,151,490,990.24
6. Step 6: Final answer
   x = 73,362,644,901.50