Finding the Fourth Proportional to 123,669.42, 185,482.62 and 57,103.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,669.42 : 185,482.62 = 57,103.92 : x
2. Step 2: Convert to fraction form
   123,669.42/185,482.62 = 57,103.92/x
3. Step 3: Cross multiply
   123,669.42x = 185,482.62 × 57,103.92
4. Step 4: Simplify right side
   123,669.42x = 10,591,784,693.87
5. Step 5: Solve for x
   x = 10,591,784,693.87/123,669.42
6. Step 6: Final answer
   x = 85,645.95