Finding the Fourth Proportional to 5,491.34, 7,575.33 and 3,897.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,491.34 : 7,575.33 = 3,897.98 : x
2. Step 2: Convert to fraction form
   5,491.34/7,575.33 = 3,897.98/x
3. Step 3: Cross multiply
   5,491.34x = 7,575.33 × 3,897.98
4. Step 4: Simplify right side
   5,491.34x = 29,528,484.83
5. Step 5: Solve for x
   x = 29,528,484.83/5,491.34
6. Step 6: Final answer
   x = 5,377.28