Finding the Fourth Proportional to 123,372.90, 185,066.61 and 39,131.46

Step by Step Solution

1. Step 1: Write the proportion equation
   123,372.90 : 185,066.61 = 39,131.46 : x
2. Step 2: Convert to fraction form
   123,372.90/185,066.61 = 39,131.46/x
3. Step 3: Cross multiply
   123,372.90x = 185,066.61 × 39,131.46
4. Step 4: Simplify right side
   123,372.90x = 7,241,926,646.55
5. Step 5: Solve for x
   x = 7,241,926,646.55/123,372.90
6. Step 6: Final answer
   x = 58,699.49