Finding the Fourth Proportional to 124,478.91, 186,801.39 and 64,562.61

Step by Step Solution

1. Step 1: Write the proportion equation
   124,478.91 : 186,801.39 = 64,562.61 : x
2. Step 2: Convert to fraction form
   124,478.91/186,801.39 = 64,562.61/x
3. Step 3: Cross multiply
   124,478.91x = 186,801.39 × 64,562.61
4. Step 4: Simplify right side
   124,478.91x = 12,060,385,290.03
5. Step 5: Solve for x
   x = 12,060,385,290.03/124,478.91
6. Step 6: Final answer
   x = 96,886.98