Finding the Fourth Proportional to 123,931.59, 171,025.02 and 70,216.49

Step by Step Solution

1. Step 1: Write the proportion equation
   123,931.59 : 171,025.02 = 70,216.49 : x
2. Step 2: Convert to fraction form
   123,931.59/171,025.02 = 70,216.49/x
3. Step 3: Cross multiply
   123,931.59x = 171,025.02 × 70,216.49
4. Step 4: Simplify right side
   123,931.59x = 12,008,775,751.45
5. Step 5: Solve for x
   x = 12,008,775,751.45/123,931.59
6. Step 6: Final answer
   x = 96,898.42