Finding the Fourth Proportional to 123,648.62, 185,486.56 and 39,389.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123,648.62 : 185,486.56 = 39,389.18 : x
2. Step 2: Convert to fraction form
   123,648.62/185,486.56 = 39,389.18/x
3. Step 3: Cross multiply
   123,648.62x = 185,486.56 × 39,389.18
4. Step 4: Simplify right side
   123,648.62x = 7,306,163,499.42
5. Step 5: Solve for x
   x = 7,306,163,499.42/123,648.62
6. Step 6: Final answer
   x = 59,088.11