Finding the Fourth Proportional to 78,659.55, 108,546.30 and 42,847.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,659.55 : 108,546.30 = 42,847.41 : x
2. Step 2: Convert to fraction form
   78,659.55/108,546.30 = 42,847.41/x
3. Step 3: Cross multiply
   78,659.55x = 108,546.30 × 42,847.41
4. Step 4: Simplify right side
   78,659.55x = 4,650,927,820.08
5. Step 5: Solve for x
   x = 4,650,927,820.08/78,659.55
6. Step 6: Final answer
   x = 59,127.31