Finding the Fourth Proportional to 7,347.21, 10,132.23 and 5,665.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,347.21 : 10,132.23 = 5,665.98 : x
2. Step 2: Convert to fraction form
   7,347.21/10,132.23 = 5,665.98/x
3. Step 3: Cross multiply
   7,347.21x = 10,132.23 × 5,665.98
4. Step 4: Simplify right side
   7,347.21x = 57,409,012.54
5. Step 5: Solve for x
   x = 57,409,012.54/7,347.21
6. Step 6: Final answer
   x = 7,813.72