Finding the Fourth Proportional to 22,290.53, 33,488.01 and 21,029.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,290.53 : 33,488.01 = 21,029.56 : x
2. Step 2: Convert to fraction form
   22,290.53/33,488.01 = 21,029.56/x
3. Step 3: Cross multiply
   22,290.53x = 33,488.01 × 21,029.56
4. Step 4: Simplify right side
   22,290.53x = 704,238,031.86
5. Step 5: Solve for x
   x = 704,238,031.86/22,290.53
6. Step 6: Final answer
   x = 31,593.60