Finding the Fourth Proportional to 139,176.52, 208,411.48 and 116,627.92

Step by Step Solution

1. Step 1: Write the proportion equation
   139,176.52 : 208,411.48 = 116,627.92 : x
2. Step 2: Convert to fraction form
   139,176.52/208,411.48 = 116,627.92/x
3. Step 3: Cross multiply
   139,176.52x = 208,411.48 × 116,627.92
4. Step 4: Simplify right side
   139,176.52x = 24,306,597,416.52
5. Step 5: Solve for x
   x = 24,306,597,416.52/139,176.52
6. Step 6: Final answer
   x = 174,645.82