Finding the Fourth Proportional to 78,752.49, 108,676.03 and 42,943.20

Step by Step Solution

1. Step 1: Write the proportion equation
   78,752.49 : 108,676.03 = 42,943.20 : x
2. Step 2: Convert to fraction form
   78,752.49/108,676.03 = 42,943.20/x
3. Step 3: Cross multiply
   78,752.49x = 108,676.03 × 42,943.20
4. Step 4: Simplify right side
   78,752.49x = 4,666,896,491.50
5. Step 5: Solve for x
   x = 4,666,896,491.50/78,752.49
6. Step 6: Final answer
   x = 59,260.30