Finding the Fourth Proportional to 9,513.93, 13,116.64 and 7,806.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.93 : 13,116.64 = 7,806.18 : x
2. Step 2: Convert to fraction form
   9,513.93/13,116.64 = 7,806.18/x
3. Step 3: Cross multiply
   9,513.93x = 13,116.64 × 7,806.18
4. Step 4: Simplify right side
   9,513.93x = 102,390,833.32
5. Step 5: Solve for x
   x = 102,390,833.32/9,513.93
6. Step 6: Final answer
   x = 10,762.20