Finding the Fourth Proportional to 53,153.42, 73,355.42 and 30,499.34

Step by Step Solution

1. Step 1: Write the proportion equation
   53,153.42 : 73,355.42 = 30,499.34 : x
2. Step 2: Convert to fraction form
   53,153.42/73,355.42 = 30,499.34/x
3. Step 3: Cross multiply
   53,153.42x = 73,355.42 × 30,499.34
4. Step 4: Simplify right side
   53,153.42x = 2,237,291,604.89
5. Step 5: Solve for x
   x = 2,237,291,604.89/53,153.42
6. Step 6: Final answer
   x = 42,091.21