Finding the Fourth Proportional to 9,526.49, 13,139.33 and 8,345.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,526.49 : 13,139.33 = 8,345.51 : x
2. Step 2: Convert to fraction form
   9,526.49/13,139.33 = 8,345.51/x
3. Step 3: Cross multiply
   9,526.49x = 13,139.33 × 8,345.51
4. Step 4: Simplify right side
   9,526.49x = 109,654,430.77
5. Step 5: Solve for x
   x = 109,654,430.77/9,526.49
6. Step 6: Final answer
   x = 11,510.48