Finding the Fourth Proportional to 22,771.02, 31,424.18 and 12,700.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,771.02 : 31,424.18 = 12,700.12 : x
2. Step 2: Convert to fraction form
   22,771.02/31,424.18 = 12,700.12/x
3. Step 3: Cross multiply
   22,771.02x = 31,424.18 × 12,700.12
4. Step 4: Simplify right side
   22,771.02x = 399,090,856.90
5. Step 5: Solve for x
   x = 399,090,856.90/22,771.02
6. Step 6: Final answer
   x = 17,526.26