Finding the Fourth Proportional to 42,760.78, 59,014.85 and 35,577.99

Step by Step Solution

1. Step 1: Write the proportion equation
   42,760.78 : 59,014.85 = 35,577.99 : x
2. Step 2: Convert to fraction form
   42,760.78/59,014.85 = 35,577.99/x
3. Step 3: Cross multiply
   42,760.78x = 59,014.85 × 35,577.99
4. Step 4: Simplify right side
   42,760.78x = 2,099,629,565.26
5. Step 5: Solve for x
   x = 2,099,629,565.26/42,760.78
6. Step 6: Final answer
   x = 49,101.76