Finding the Fourth Proportional to 123,528.05, 185,290.13 and 39,287

Step by Step Solution

1. Step 1: Write the proportion equation
   123,528.05 : 185,290.13 = 39,287 : x
2. Step 2: Convert to fraction form
   123,528.05/185,290.13 = 39,287/x
3. Step 3: Cross multiply
   123,528.05x = 185,290.13 × 39,287
4. Step 4: Simplify right side
   123,528.05x = 7,279,493,140.88
5. Step 5: Solve for x
   x = 7,279,493,140.88/123,528.05
6. Step 6: Final answer
   x = 58,929.88