Finding the Fourth Proportional to 123,470.52, 185,186.46 and 39,219.60

Step by Step Solution

1. Step 1: Write the proportion equation
   123,470.52 : 185,186.46 = 39,219.60 : x
2. Step 2: Convert to fraction form
   123,470.52/185,186.46 = 39,219.60/x
3. Step 3: Cross multiply
   123,470.52x = 185,186.46 × 39,219.60
4. Step 4: Simplify right side
   123,470.52x = 7,262,938,886.62
5. Step 5: Solve for x
   x = 7,262,938,886.62/123,470.52
6. Step 6: Final answer
   x = 58,823.26