Finding the Fourth Proportional to 40,322.27, 55,562.67 and 31,192.17

Step by Step Solution

1. Step 1: Write the proportion equation
   40,322.27 : 55,562.67 = 31,192.17 : x
2. Step 2: Convert to fraction form
   40,322.27/55,562.67 = 31,192.17/x
3. Step 3: Cross multiply
   40,322.27x = 55,562.67 × 31,192.17
4. Step 4: Simplify right side
   40,322.27x = 1,733,120,248.29
5. Step 5: Solve for x
   x = 1,733,120,248.29/40,322.27
6. Step 6: Final answer
   x = 42,981.71