Finding the Fourth Proportional to 9,656.26, 13,326.37 and 5,407.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,656.26 : 13,326.37 = 5,407.10 : x
2. Step 2: Convert to fraction form
   9,656.26/13,326.37 = 5,407.10/x
3. Step 3: Cross multiply
   9,656.26x = 13,326.37 × 5,407.10
4. Step 4: Simplify right side
   9,656.26x = 72,057,041.78
5. Step 5: Solve for x
   x = 72,057,041.78/9,656.26
6. Step 6: Final answer
   x = 7,462.21