Finding the Fourth Proportional to 123,373.35, 185,066.64 and 39,139.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,373.35 : 185,066.64 = 39,139.92 : x
2. Step 2: Convert to fraction form
   123,373.35/185,066.64 = 39,139.92/x
3. Step 3: Cross multiply
   123,373.35x = 185,066.64 × 39,139.92
4. Step 4: Simplify right side
   123,373.35x = 7,243,493,484.27
5. Step 5: Solve for x
   x = 7,243,493,484.27/123,373.35
6. Step 6: Final answer
   x = 58,711.98