Finding the Fourth Proportional to 10,191.98, 14,064.76 and 5,715.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.98 : 14,064.76 = 5,715.73 : x
2. Step 2: Convert to fraction form
   10,191.98/14,064.76 = 5,715.73/x
3. Step 3: Cross multiply
   10,191.98x = 14,064.76 × 5,715.73
4. Step 4: Simplify right side
   10,191.98x = 80,390,370.67
5. Step 5: Solve for x
   x = 80,390,370.67/10,191.98
6. Step 6: Final answer
   x = 7,887.61