Finding the Fourth Proportional to 7,402.80, 10,216.01 and 4,045.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,402.80 : 10,216.01 = 4,045.82 : x
2. Step 2: Convert to fraction form
   7,402.80/10,216.01 = 4,045.82/x
3. Step 3: Cross multiply
   7,402.80x = 10,216.01 × 4,045.82
4. Step 4: Simplify right side
   7,402.80x = 41,332,085.42
5. Step 5: Solve for x
   x = 41,332,085.42/7,402.80
6. Step 6: Final answer
   x = 5,583.31