Finding the Fourth Proportional to 92,642.38, 139,149.53 and 55,275.37

Step by Step Solution

1. Step 1: Write the proportion equation
   92,642.38 : 139,149.53 = 55,275.37 : x
2. Step 2: Convert to fraction form
   92,642.38/139,149.53 = 55,275.37/x
3. Step 3: Cross multiply
   92,642.38x = 139,149.53 × 55,275.37
4. Step 4: Simplify right side
   92,642.38x = 7,691,540,783.95
5. Step 5: Solve for x
   x = 7,691,540,783.95/92,642.38
6. Step 6: Final answer
   x = 83,024.00