Finding the Fourth Proportional to 123,787.76, 185,641.56 and 39,528.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123,787.76 : 185,641.56 = 39,528.18 : x
2. Step 2: Convert to fraction form
   123,787.76/185,641.56 = 39,528.18/x
3. Step 3: Cross multiply
   123,787.76x = 185,641.56 × 39,528.18
4. Step 4: Simplify right side
   123,787.76x = 7,338,072,999.16
5. Step 5: Solve for x
   x = 7,338,072,999.16/123,787.76
6. Step 6: Final answer
   x = 59,279.47