Finding the Fourth Proportional to 78,939.01, 108,932.60 and 43,130.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,939.01 : 108,932.60 = 43,130.25 : x
2. Step 2: Convert to fraction form
   78,939.01/108,932.60 = 43,130.25/x
3. Step 3: Cross multiply
   78,939.01x = 108,932.60 × 43,130.25
4. Step 4: Simplify right side
   78,939.01x = 4,698,290,055.50
5. Step 5: Solve for x
   x = 4,698,290,055.50/78,939.01
6. Step 6: Final answer
   x = 59,517.98