Finding the Fourth Proportional to 42,778, 59,032.56 and 23,915.26

Step by Step Solution

1. Step 1: Write the proportion equation
   42,778 : 59,032.56 = 23,915.26 : x
2. Step 2: Convert to fraction form
   42,778/59,032.56 = 23,915.26/x
3. Step 3: Cross multiply
   42,778x = 59,032.56 × 23,915.26
4. Step 4: Simplify right side
   42,778x = 1,411,779,020.87
5. Step 5: Solve for x
   x = 1,411,779,020.87/42,778
6. Step 6: Final answer
   x = 33,002.46