Finding the Fourth Proportional to 7,455.72, 10,288.89 and 4,098.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,455.72 : 10,288.89 = 4,098.75 : x
2. Step 2: Convert to fraction form
   7,455.72/10,288.89 = 4,098.75/x
3. Step 3: Cross multiply
   7,455.72x = 10,288.89 × 4,098.75
4. Step 4: Simplify right side
   7,455.72x = 42,171,587.89
5. Step 5: Solve for x
   x = 42,171,587.89/7,455.72
6. Step 6: Final answer
   x = 5,656.27