Finding the Fourth Proportional to 107,456.06, 148,300.40 and 59,724.78

Step by Step Solution

1. Step 1: Write the proportion equation
   107,456.06 : 148,300.40 = 59,724.78 : x
2. Step 2: Convert to fraction form
   107,456.06/148,300.40 = 59,724.78/x
3. Step 3: Cross multiply
   107,456.06x = 148,300.40 × 59,724.78
4. Step 4: Simplify right side
   107,456.06x = 8,857,208,763.91
5. Step 5: Solve for x
   x = 8,857,208,763.91/107,456.06
6. Step 6: Final answer
   x = 82,426.33