Finding the Fourth Proportional to 114,522.72, 171,833.28 and 55,402.56

Step by Step Solution

1. Step 1: Write the proportion equation
   114,522.72 : 171,833.28 = 55,402.56 : x
2. Step 2: Convert to fraction form
   114,522.72/171,833.28 = 55,402.56/x
3. Step 3: Cross multiply
   114,522.72x = 171,833.28 × 55,402.56
4. Step 4: Simplify right side
   114,522.72x = 9,520,003,605.20
5. Step 5: Solve for x
   x = 9,520,003,605.20/114,522.72
6. Step 6: Final answer
   x = 83,127.64