Finding the Fourth Proportional to 78,886.56, 108,867.88 and 43,079.90

Step by Step Solution

1. Step 1: Write the proportion equation
   78,886.56 : 108,867.88 = 43,079.90 : x
2. Step 2: Convert to fraction form
   78,886.56/108,867.88 = 43,079.90/x
3. Step 3: Cross multiply
   78,886.56x = 108,867.88 × 43,079.90
4. Step 4: Simplify right side
   78,886.56x = 4,690,017,383.61
5. Step 5: Solve for x
   x = 4,690,017,383.61/78,886.56
6. Step 6: Final answer
   x = 59,452.68