Finding the Fourth Proportional to 78,851.18, 108,817.20 and 43,043.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,851.18 : 108,817.20 = 43,043.10 : x
2. Step 2: Convert to fraction form
   78,851.18/108,817.20 = 43,043.10/x
3. Step 3: Cross multiply
   78,851.18x = 108,817.20 × 43,043.10
4. Step 4: Simplify right side
   78,851.18x = 4,683,829,621.32
5. Step 5: Solve for x
   x = 4,683,829,621.32/78,851.18
6. Step 6: Final answer
   x = 59,400.88