Finding the Fourth Proportional to 22,007.30, 30,897.70 and 22,007.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,007.30 : 30,897.70 = 22,007.30 : x
2. Step 2: Convert to fraction form
   22,007.30/30,897.70 = 22,007.30/x
3. Step 3: Cross multiply
   22,007.30x = 30,897.70 × 22,007.30
4. Step 4: Simplify right side
   22,007.30x = 679,974,953.21
5. Step 5: Solve for x
   x = 679,974,953.21/22,007.30
6. Step 6: Final answer
   x = 30,897.70