Finding the Fourth Proportional to 137,758.30, 206,610.24 and 37,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   137,758.30 : 206,610.24 = 37,892.72 : x
2. Step 2: Convert to fraction form
   137,758.30/206,610.24 = 37,892.72/x
3. Step 3: Cross multiply
   137,758.30x = 206,610.24 × 37,892.72
4. Step 4: Simplify right side
   137,758.30x = 7,829,023,973.45
5. Step 5: Solve for x
   x = 7,829,023,973.45/137,758.30
6. Step 6: Final answer
   x = 56,831.60