Finding the Fourth Proportional to 156,793.67, 216,441.50 and 105,875.36

Step by Step Solution

1. Step 1: Write the proportion equation
   156,793.67 : 216,441.50 = 105,875.36 : x
2. Step 2: Convert to fraction form
   156,793.67/216,441.50 = 105,875.36/x
3. Step 3: Cross multiply
   156,793.67x = 216,441.50 × 105,875.36
4. Step 4: Simplify right side
   156,793.67x = 22,915,820,119.86
5. Step 5: Solve for x
   x = 22,915,820,119.86/156,793.67
6. Step 6: Final answer
   x = 146,152.72