Finding the Fourth Proportional to 124,479.91, 186,802.89 and 64,563.61

Step by Step Solution

1. Step 1: Write the proportion equation
   124,479.91 : 186,802.89 = 64,563.61 : x
2. Step 2: Convert to fraction form
   124,479.91/186,802.89 = 64,563.61/x
3. Step 3: Cross multiply
   124,479.91x = 186,802.89 × 64,563.61
4. Step 4: Simplify right side
   124,479.91x = 12,060,668,936.83
5. Step 5: Solve for x
   x = 12,060,668,936.83/124,479.91
6. Step 6: Final answer
   x = 96,888.48