Finding the Fourth Proportional to 10,612.69, 15,826.39 and 9,302.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,612.69 : 15,826.39 = 9,302.51 : x
2. Step 2: Convert to fraction form
   10,612.69/15,826.39 = 9,302.51/x
3. Step 3: Cross multiply
   10,612.69x = 15,826.39 × 9,302.51
4. Step 4: Simplify right side
   10,612.69x = 147,225,167.55
5. Step 5: Solve for x
   x = 147,225,167.55/10,612.69
6. Step 6: Final answer
   x = 13,872.56