Finding the Fourth Proportional to 22,705.02, 31,332.69 and 13,271.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,705.02 : 31,332.69 = 13,271.76 : x
2. Step 2: Convert to fraction form
   22,705.02/31,332.69 = 13,271.76/x
3. Step 3: Cross multiply
   22,705.02x = 31,332.69 × 13,271.76
4. Step 4: Simplify right side
   22,705.02x = 415,839,941.83
5. Step 5: Solve for x
   x = 415,839,941.83/22,705.02
6. Step 6: Final answer
   x = 18,314.89