Finding the Fourth Proportional to 78,959.63, 108,965.72 and 43,151.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,959.63 : 108,965.72 = 43,151.15 : x
2. Step 2: Convert to fraction form
   78,959.63/108,965.72 = 43,151.15/x
3. Step 3: Cross multiply
   78,959.63x = 108,965.72 × 43,151.15
4. Step 4: Simplify right side
   78,959.63x = 4,701,996,128.58
5. Step 5: Solve for x
   x = 4,701,996,128.58/78,959.63
6. Step 6: Final answer
   x = 59,549.37