Finding the Fourth Proportional to 123,648.13, 185,491.50 and 39,427.17

Step by Step Solution

1. Step 1: Write the proportion equation
   123,648.13 : 185,491.50 = 39,427.17 : x
2. Step 2: Convert to fraction form
   123,648.13/185,491.50 = 39,427.17/x
3. Step 3: Cross multiply
   123,648.13x = 185,491.50 × 39,427.17
4. Step 4: Simplify right side
   123,648.13x = 7,313,404,904.06
5. Step 5: Solve for x
   x = 7,313,404,904.06/123,648.13
6. Step 6: Final answer
   x = 59,146.91