Finding the Fourth Proportional to 23,070.29, 31,629.35 and 22,649.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,070.29 : 31,629.35 = 22,649.90 : x
2. Step 2: Convert to fraction form
   23,070.29/31,629.35 = 22,649.90/x
3. Step 3: Cross multiply
   23,070.29x = 31,629.35 × 22,649.90
4. Step 4: Simplify right side
   23,070.29x = 716,401,343.17
5. Step 5: Solve for x
   x = 716,401,343.17/23,070.29
6. Step 6: Final answer
   x = 31,052.99