Finding the Fourth Proportional to 153,092.16, 229,061.16 and 137,553.12

Step by Step Solution

1. Step 1: Write the proportion equation
   153,092.16 : 229,061.16 = 137,553.12 : x
2. Step 2: Convert to fraction form
   153,092.16/229,061.16 = 137,553.12/x
3. Step 3: Cross multiply
   153,092.16x = 229,061.16 × 137,553.12
4. Step 4: Simplify right side
   153,092.16x = 31,508,077,228.82
5. Step 5: Solve for x
   x = 31,508,077,228.82/153,092.16
6. Step 6: Final answer
   x = 205,811.17