Finding the Fourth Proportional to 55,159.74, 76,121.25 and 53,250.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,159.74 : 76,121.25 = 53,250.52 : x
2. Step 2: Convert to fraction form
   55,159.74/76,121.25 = 53,250.52/x
3. Step 3: Cross multiply
   55,159.74x = 76,121.25 × 53,250.52
4. Step 4: Simplify right side
   55,159.74x = 4,053,496,150.90
5. Step 5: Solve for x
   x = 4,053,496,150.90/55,159.74
6. Step 6: Final answer
   x = 73,486.50