Finding the Fourth Proportional to 22,301.10, 33,436.44 and 10,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,301.10 : 33,436.44 = 10,615.50 : x
2. Step 2: Convert to fraction form
   22,301.10/33,436.44 = 10,615.50/x
3. Step 3: Cross multiply
   22,301.10x = 33,436.44 × 10,615.50
4. Step 4: Simplify right side
   22,301.10x = 354,944,528.82
5. Step 5: Solve for x
   x = 354,944,528.82/22,301.10
6. Step 6: Final answer
   x = 15,916.01