Finding the Fourth Proportional to 83,646.16, 115,440.88 and 47,839.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,646.16 : 115,440.88 = 47,839.52 : x
2. Step 2: Convert to fraction form
   83,646.16/115,440.88 = 47,839.52/x
3. Step 3: Cross multiply
   83,646.16x = 115,440.88 × 47,839.52
4. Step 4: Simplify right side
   83,646.16x = 5,522,636,287.58
5. Step 5: Solve for x
   x = 5,522,636,287.58/83,646.16
6. Step 6: Final answer
   x = 66,023.79