Finding the Fourth Proportional to 22,300.48, 33,503 and 21,039.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.48 : 33,503 = 21,039.52 : x
2. Step 2: Convert to fraction form
   22,300.48/33,503 = 21,039.52/x
3. Step 3: Cross multiply
   22,300.48x = 33,503 × 21,039.52
4. Step 4: Simplify right side
   22,300.48x = 704,887,038.56
5. Step 5: Solve for x
   x = 704,887,038.56/22,300.48
6. Step 6: Final answer
   x = 31,608.60