Finding the Fourth Proportional to 156,966.96, 213,716.37 and 156,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   156,966.96 : 213,716.37 = 156,468.72 : x
2. Step 2: Convert to fraction form
   156,966.96/213,716.37 = 156,468.72/x
3. Step 3: Cross multiply
   156,966.96x = 213,716.37 × 156,468.72
4. Step 4: Simplify right side
   156,966.96x = 33,439,926,856.95
5. Step 5: Solve for x
   x = 33,439,926,856.95/156,966.96
6. Step 6: Final answer
   x = 213,038.00