Finding the Fourth Proportional to 9,526.86, 13,139.84 and 8,345.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,526.86 : 13,139.84 = 8,345.88 : x
2. Step 2: Convert to fraction form
   9,526.86/13,139.84 = 8,345.88/x
3. Step 3: Cross multiply
   9,526.86x = 13,139.84 × 8,345.88
4. Step 4: Simplify right side
   9,526.86x = 109,663,527.86
5. Step 5: Solve for x
   x = 109,663,527.86/9,526.86
6. Step 6: Final answer
   x = 11,510.98