Finding the Fourth Proportional to 78,878.28, 108,851.34 and 43,068.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,878.28 : 108,851.34 = 43,068.12 : x
2. Step 2: Convert to fraction form
   78,878.28/108,851.34 = 43,068.12/x
3. Step 3: Cross multiply
   78,878.28x = 108,851.34 × 43,068.12
4. Step 4: Simplify right side
   78,878.28x = 4,688,022,573.28
5. Step 5: Solve for x
   x = 4,688,022,573.28/78,878.28
6. Step 6: Final answer
   x = 59,433.63