Finding the Fourth Proportional to 99,255.29, 136,973.17 and 53,933.27

Step by Step Solution

1. Step 1: Write the proportion equation
   99,255.29 : 136,973.17 = 53,933.27 : x
2. Step 2: Convert to fraction form
   99,255.29/136,973.17 = 53,933.27/x
3. Step 3: Cross multiply
   99,255.29x = 136,973.17 × 53,933.27
4. Step 4: Simplify right side
   99,255.29x = 7,387,411,061.32
5. Step 5: Solve for x
   x = 7,387,411,061.32/99,255.29
6. Step 6: Final answer
   x = 74,428.39