Finding the Fourth Proportional to 10,859.10, 16,323.45 and 10,088.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,859.10 : 16,323.45 = 10,088.70 : x
2. Step 2: Convert to fraction form
   10,859.10/16,323.45 = 10,088.70/x
3. Step 3: Cross multiply
   10,859.10x = 16,323.45 × 10,088.70
4. Step 4: Simplify right side
   10,859.10x = 164,682,390.02
5. Step 5: Solve for x
   x = 164,682,390.02/10,859.10
6. Step 6: Final answer
   x = 15,165.38