Finding the Fourth Proportional to 78,752.94, 108,677.64 and 42,942.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,752.94 : 108,677.64 = 42,942.18 : x
2. Step 2: Convert to fraction form
   78,752.94/108,677.64 = 42,942.18/x
3. Step 3: Cross multiply
   78,752.94x = 108,677.64 × 42,942.18
4. Step 4: Simplify right side
   78,752.94x = 4,666,854,778.86
5. Step 5: Solve for x
   x = 4,666,854,778.86/78,752.94
6. Step 6: Final answer
   x = 59,259.44