Finding the Fourth Proportional to 9,565.68, 13,200.72 and 5,374.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,565.68 : 13,200.72 = 5,374.32 : x
2. Step 2: Convert to fraction form
   9,565.68/13,200.72 = 5,374.32/x
3. Step 3: Cross multiply
   9,565.68x = 13,200.72 × 5,374.32
4. Step 4: Simplify right side
   9,565.68x = 70,944,893.51
5. Step 5: Solve for x
   x = 70,944,893.51/9,565.68
6. Step 6: Final answer
   x = 7,416.61