Finding the Fourth Proportional to 105,970.71, 158,565.65 and 63,875.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,970.71 : 158,565.65 = 63,875.55 : x
2. Step 2: Convert to fraction form
   105,970.71/158,565.65 = 63,875.55/x
3. Step 3: Cross multiply
   105,970.71x = 158,565.65 × 63,875.55
4. Step 4: Simplify right side
   105,970.71x = 10,128,467,785.48
5. Step 5: Solve for x
   x = 10,128,467,785.48/105,970.71
6. Step 6: Final answer
   x = 95,577.99