Finding the Fourth Proportional to 123,655, 185,497.20 and 39,385.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,655 : 185,497.20 = 39,385.56 : x
2. Step 2: Convert to fraction form
   123,655/185,497.20 = 39,385.56/x
3. Step 3: Cross multiply
   123,655x = 185,497.20 × 39,385.56
4. Step 4: Simplify right side
   123,655x = 7,305,911,100.43
5. Step 5: Solve for x
   x = 7,305,911,100.43/123,655
6. Step 6: Final answer
   x = 59,083.02