Finding the Fourth Proportional to 10,191.32, 14,063.36 and 5,715.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.32 : 14,063.36 = 5,715.04 : x
2. Step 2: Convert to fraction form
   10,191.32/14,063.36 = 5,715.04/x
3. Step 3: Cross multiply
   10,191.32x = 14,063.36 × 5,715.04
4. Step 4: Simplify right side
   10,191.32x = 80,372,664.93
5. Step 5: Solve for x
   x = 80,372,664.93/10,191.32
6. Step 6: Final answer
   x = 7,886.38