Finding the Fourth Proportional to 78,752.61, 108,676.19 and 42,943.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,752.61 : 108,676.19 = 42,943.32 : x
2. Step 2: Convert to fraction form
   78,752.61/108,676.19 = 42,943.32/x
3. Step 3: Cross multiply
   78,752.61x = 108,676.19 × 42,943.32
4. Step 4: Simplify right side
   78,752.61x = 4,666,916,188.83
5. Step 5: Solve for x
   x = 4,666,916,188.83/78,752.61
6. Step 6: Final answer
   x = 59,260.46