Finding the Fourth Proportional to 22,402.30, 31,409.30 and 22,402.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,402.30 : 31,409.30 = 22,402.30 : x
2. Step 2: Convert to fraction form
   22,402.30/31,409.30 = 22,402.30/x
3. Step 3: Cross multiply
   22,402.30x = 31,409.30 × 22,402.30
4. Step 4: Simplify right side
   22,402.30x = 703,640,561.39
5. Step 5: Solve for x
   x = 703,640,561.39/22,402.30
6. Step 6: Final answer
   x = 31,409.30