Finding the Fourth Proportional to 42,777.88, 59,034.78 and 23,915.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,777.88 : 59,034.78 = 23,915.80 : x
2. Step 2: Convert to fraction form
   42,777.88/59,034.78 = 23,915.80/x
3. Step 3: Cross multiply
   42,777.88x = 59,034.78 × 23,915.80
4. Step 4: Simplify right side
   42,777.88x = 1,411,863,991.52
5. Step 5: Solve for x
   x = 1,411,863,991.52/42,777.88
6. Step 6: Final answer
   x = 33,004.53