Finding the Fourth Proportional to 42,831.77, 59,051.21 and 35,146.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,831.77 : 59,051.21 = 35,146.89 : x
2. Step 2: Convert to fraction form
   42,831.77/59,051.21 = 35,146.89/x
3. Step 3: Cross multiply
   42,831.77x = 59,051.21 × 35,146.89
4. Step 4: Simplify right side
   42,831.77x = 2,075,466,206.50
5. Step 5: Solve for x
   x = 2,075,466,206.50/42,831.77
6. Step 6: Final answer
   x = 48,456.24