Finding the Fourth Proportional to 78,592.46, 108,460.02 and 42,784.85

Step by Step Solution

1. Step 1: Write the proportion equation
   78,592.46 : 108,460.02 = 42,784.85 : x
2. Step 2: Convert to fraction form
   78,592.46/108,460.02 = 42,784.85/x
3. Step 3: Cross multiply
   78,592.46x = 108,460.02 × 42,784.85
4. Step 4: Simplify right side
   78,592.46x = 4,640,445,686.70
5. Step 5: Solve for x
   x = 4,640,445,686.70/78,592.46
6. Step 6: Final answer
   x = 59,044.41