Finding the Fourth Proportional to 31,002.95, 42,708.14 and 22,480.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,002.95 : 42,708.14 = 22,480.02 : x
2. Step 2: Convert to fraction form
   31,002.95/42,708.14 = 22,480.02/x
3. Step 3: Cross multiply
   31,002.95x = 42,708.14 × 22,480.02
4. Step 4: Simplify right side
   31,002.95x = 960,079,728.96
5. Step 5: Solve for x
   x = 960,079,728.96/31,002.95
6. Step 6: Final answer
   x = 30,967.37