Finding the Fourth Proportional to 22,528.38, 31,089.82 and 12,320.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,528.38 : 31,089.82 = 12,320.01 : x
2. Step 2: Convert to fraction form
   22,528.38/31,089.82 = 12,320.01/x
3. Step 3: Cross multiply
   22,528.38x = 31,089.82 × 12,320.01
4. Step 4: Simplify right side
   22,528.38x = 383,026,763.51
5. Step 5: Solve for x
   x = 383,026,763.51/22,528.38
6. Step 6: Final answer
   x = 17,001.97