Finding the Fourth Proportional to 78,694.61, 108,595.40 and 42,883.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,694.61 : 108,595.40 = 42,883.86 : x
2. Step 2: Convert to fraction form
   78,694.61/108,595.40 = 42,883.86/x
3. Step 3: Cross multiply
   78,694.61x = 108,595.40 × 42,883.86
4. Step 4: Simplify right side
   78,694.61x = 4,656,989,930.24
5. Step 5: Solve for x
   x = 4,656,989,930.24/78,694.61
6. Step 6: Final answer
   x = 59,178.00