Finding the Fourth Proportional to 99,317.83, 137,061.25 and 53,998.86

Step by Step Solution

1. Step 1: Write the proportion equation
   99,317.83 : 137,061.25 = 53,998.86 : x
2. Step 2: Convert to fraction form
   99,317.83/137,061.25 = 53,998.86/x
3. Step 3: Cross multiply
   99,317.83x = 137,061.25 × 53,998.86
4. Step 4: Simplify right side
   99,317.83x = 7,401,151,250.18
5. Step 5: Solve for x
   x = 7,401,151,250.18/99,317.83
6. Step 6: Final answer
   x = 74,519.86