Finding the Fourth Proportional to 42,778.61, 59,034.65 and 23,915.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,778.61 : 59,034.65 = 23,915.73 : x
2. Step 2: Convert to fraction form
   42,778.61/59,034.65 = 23,915.73/x
3. Step 3: Cross multiply
   42,778.61x = 59,034.65 × 23,915.73
4. Step 4: Simplify right side
   42,778.61x = 1,411,856,630.47
5. Step 5: Solve for x
   x = 1,411,856,630.47/42,778.61
6. Step 6: Final answer
   x = 33,003.80