Finding the Fourth Proportional to 123,973.68, 171,084.72 and 67,385.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,973.68 : 171,084.72 = 67,385.04 : x
2. Step 2: Convert to fraction form
   123,973.68/171,084.72 = 67,385.04/x
3. Step 3: Cross multiply
   123,973.68x = 171,084.72 × 67,385.04
4. Step 4: Simplify right side
   123,973.68x = 11,528,550,700.59
5. Step 5: Solve for x
   x = 11,528,550,700.59/123,973.68
6. Step 6: Final answer
   x = 92,991.92