Finding the Fourth Proportional to 69,066.28, 103,565.94 and 31,615.12

Step by Step Solution

1. Step 1: Write the proportion equation
   69,066.28 : 103,565.94 = 31,615.12 : x
2. Step 2: Convert to fraction form
   69,066.28/103,565.94 = 31,615.12/x
3. Step 3: Cross multiply
   69,066.28x = 103,565.94 × 31,615.12
4. Step 4: Simplify right side
   69,066.28x = 3,274,249,621.01
5. Step 5: Solve for x
   x = 3,274,249,621.01/69,066.28
6. Step 6: Final answer
   x = 47,407.35