Finding the Fourth Proportional to 137,046.47, 188,909.72 and 126,049.07

Step by Step Solution

1. Step 1: Write the proportion equation
   137,046.47 : 188,909.72 = 126,049.07 : x
2. Step 2: Convert to fraction form
   137,046.47/188,909.72 = 126,049.07/x
3. Step 3: Cross multiply
   137,046.47x = 188,909.72 × 126,049.07
4. Step 4: Simplify right side
   137,046.47x = 23,811,893,889.72
5. Step 5: Solve for x
   x = 23,811,893,889.72/137,046.47
6. Step 6: Final answer
   x = 173,750.51