Finding the Fourth Proportional to 10,526.88, 14,526.72 and 5,811.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,526.88 : 14,526.72 = 5,811.15 : x
2. Step 2: Convert to fraction form
   10,526.88/14,526.72 = 5,811.15/x
3. Step 3: Cross multiply
   10,526.88x = 14,526.72 × 5,811.15
4. Step 4: Simplify right side
   10,526.88x = 84,416,948.93
5. Step 5: Solve for x
   x = 84,416,948.93/10,526.88
6. Step 6: Final answer
   x = 8,019.18