Finding the Fourth Proportional to 42,778.56, 59,035.32 and 23,915.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,778.56 : 59,035.32 = 23,915.28 : x
2. Step 2: Convert to fraction form
   42,778.56/59,035.32 = 23,915.28/x
3. Step 3: Cross multiply
   42,778.56x = 59,035.32 × 23,915.28
4. Step 4: Simplify right side
   42,778.56x = 1,411,846,207.69
5. Step 5: Solve for x
   x = 1,411,846,207.69/42,778.56
6. Step 6: Final answer
   x = 33,003.59