Finding the Fourth Proportional to 7,402.55, 10,215.59 and 4,045.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,402.55 : 10,215.59 = 4,045.46 : x
2. Step 2: Convert to fraction form
   7,402.55/10,215.59 = 4,045.46/x
3. Step 3: Cross multiply
   7,402.55x = 10,215.59 × 4,045.46
4. Step 4: Simplify right side
   7,402.55x = 41,326,689.42
5. Step 5: Solve for x
   x = 41,326,689.42/7,402.55
6. Step 6: Final answer
   x = 5,582.77