Finding the Fourth Proportional to 93,956.58, 140,787.06 and 72,661.43

Step by Step Solution

1. Step 1: Write the proportion equation
   93,956.58 : 140,787.06 = 72,661.43 : x
2. Step 2: Convert to fraction form
   93,956.58/140,787.06 = 72,661.43/x
3. Step 3: Cross multiply
   93,956.58x = 140,787.06 × 72,661.43
4. Step 4: Simplify right side
   93,956.58x = 10,229,789,105.10
5. Step 5: Solve for x
   x = 10,229,789,105.10/93,956.58
6. Step 6: Final answer
   x = 108,877.84