Finding the Fourth Proportional to 72,400,231.84, 99,914,290.72 and 39,362,703.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,400,231.84 : 99,914,290.72 = 39,362,703.84 : x
2. Step 2: Convert to fraction form
   72,400,231.84/99,914,290.72 = 39,362,703.84/x
3. Step 3: Cross multiply
   72,400,231.84x = 99,914,290.72 × 39,362,703.84
4. Step 4: Simplify right side
   72,400,231.84x = 3,932,896,634,995,020.50
5. Step 5: Solve for x
   x = 3,932,896,634,995,020.50/72,400,231.84
6. Step 6: Final answer
   x = 54,321,602.78