Finding the Fourth Proportional to 42,777.43, 59,035.10 and 25,787.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,777.43 : 59,035.10 = 25,787.07 : x
2. Step 2: Convert to fraction form
   42,777.43/59,035.10 = 25,787.07/x
3. Step 3: Cross multiply
   42,777.43x = 59,035.10 × 25,787.07
4. Step 4: Simplify right side
   42,777.43x = 1,522,342,127.22
5. Step 5: Solve for x
   x = 1,522,342,127.22/42,777.43
6. Step 6: Final answer
   x = 35,587.51