Finding the Fourth Proportional to 22,897.30, 34,281.15 and 20,305.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,897.30 : 34,281.15 = 20,305.30 : x
2. Step 2: Convert to fraction form
   22,897.30/34,281.15 = 20,305.30/x
3. Step 3: Cross multiply
   22,897.30x = 34,281.15 × 20,305.30
4. Step 4: Simplify right side
   22,897.30x = 696,089,035.10
5. Step 5: Solve for x
   x = 696,089,035.10/22,897.30
6. Step 6: Final answer
   x = 30,400.49