Finding the Fourth Proportional to 93,877.52, 139,978.98 and 83,445.53

Step by Step Solution

1. Step 1: Write the proportion equation
   93,877.52 : 139,978.98 = 83,445.53 : x
2. Step 2: Convert to fraction form
   93,877.52/139,978.98 = 83,445.53/x
3. Step 3: Cross multiply
   93,877.52x = 139,978.98 × 83,445.53
4. Step 4: Simplify right side
   93,877.52x = 11,680,619,475.06
5. Step 5: Solve for x
   x = 11,680,619,475.06/93,877.52
6. Step 6: Final answer
   x = 124,424.04