Finding the Fourth Proportional to 22,308.96, 33,515.73 and 21,048.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.96 : 33,515.73 = 21,048.06 : x
2. Step 2: Convert to fraction form
   22,308.96/33,515.73 = 21,048.06/x
3. Step 3: Cross multiply
   22,308.96x = 33,515.73 × 21,048.06
4. Step 4: Simplify right side
   22,308.96x = 705,441,095.98
5. Step 5: Solve for x
   x = 705,441,095.98/22,308.96
6. Step 6: Final answer
   x = 31,621.42