Finding the Fourth Proportional to 137,610.72, 206,436.72 and 48,856.86

Step by Step Solution

1. Step 1: Write the proportion equation
   137,610.72 : 206,436.72 = 48,856.86 : x
2. Step 2: Convert to fraction form
   137,610.72/206,436.72 = 48,856.86/x
3. Step 3: Cross multiply
   137,610.72x = 206,436.72 × 48,856.86
4. Step 4: Simplify right side
   137,610.72x = 10,085,849,927.90
5. Step 5: Solve for x
   x = 10,085,849,927.90/137,610.72
6. Step 6: Final answer
   x = 73,292.62