Finding the Fourth Proportional to 78,805.81, 108,752.37 and 42,996.57

Step by Step Solution

1. Step 1: Write the proportion equation
   78,805.81 : 108,752.37 = 42,996.57 : x
2. Step 2: Convert to fraction form
   78,805.81/108,752.37 = 42,996.57/x
3. Step 3: Cross multiply
   78,805.81x = 108,752.37 × 42,996.57
4. Step 4: Simplify right side
   78,805.81x = 4,675,979,173.90
5. Step 5: Solve for x
   x = 4,675,979,173.90/78,805.81
6. Step 6: Final answer
   x = 59,335.46