Finding the Fourth Proportional to 5,326.32, 7,363.61 and 3,997.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,326.32 : 7,363.61 = 3,997.72 : x
2. Step 2: Convert to fraction form
   5,326.32/7,363.61 = 3,997.72/x
3. Step 3: Cross multiply
   5,326.32x = 7,363.61 × 3,997.72
4. Step 4: Simplify right side
   5,326.32x = 29,437,666.42
5. Step 5: Solve for x
   x = 29,437,666.42/5,326.32
6. Step 6: Final answer
   x = 5,526.83