Finding the Fourth Proportional to 9,607.32, 13,258.24 and 5,415.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.32 : 13,258.24 = 5,415.56 : x
2. Step 2: Convert to fraction form
   9,607.32/13,258.24 = 5,415.56/x
3. Step 3: Cross multiply
   9,607.32x = 13,258.24 × 5,415.56
4. Step 4: Simplify right side
   9,607.32x = 71,800,794.21
5. Step 5: Solve for x
   x = 71,800,794.21/9,607.32
6. Step 6: Final answer
   x = 7,473.55