Finding the Fourth Proportional to 22,715.02, 33,886.22 and 21,124.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,715.02 : 33,886.22 = 21,124.18 : x
2. Step 2: Convert to fraction form
   22,715.02/33,886.22 = 21,124.18/x
3. Step 3: Cross multiply
   22,715.02x = 33,886.22 × 21,124.18
4. Step 4: Simplify right side
   22,715.02x = 715,818,610.80
5. Step 5: Solve for x
   x = 715,818,610.80/22,715.02
6. Step 6: Final answer
   x = 31,513.01