Finding the Fourth Proportional to 10,191.44, 14,064.00 and 5,715.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.44 : 14,064.00 = 5,715.17 : x
2. Step 2: Convert to fraction form
   10,191.44/14,064.00 = 5,715.17/x
3. Step 3: Cross multiply
   10,191.44x = 14,064.00 × 5,715.17
4. Step 4: Simplify right side
   10,191.44x = 80,378,190.98
5. Step 5: Solve for x
   x = 80,378,190.98/10,191.44
6. Step 6: Final answer
   x = 7,886.84