Finding the Fourth Proportional to 22,637.62, 31,271.42 and 21,530.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,637.62 : 31,271.42 = 21,530.46 : x
2. Step 2: Convert to fraction form
   22,637.62/31,271.42 = 21,530.46/x
3. Step 3: Cross multiply
   22,637.62x = 31,271.42 × 21,530.46
4. Step 4: Simplify right side
   22,637.62x = 673,288,057.45
5. Step 5: Solve for x
   x = 673,288,057.45/22,637.62
6. Step 6: Final answer
   x = 29,742.00