Finding the Fourth Proportional to 7,402.29, 10,215.86 and 4,045.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,402.29 : 10,215.86 = 4,045.61 : x
2. Step 2: Convert to fraction form
   7,402.29/10,215.86 = 4,045.61/x
3. Step 3: Cross multiply
   7,402.29x = 10,215.86 × 4,045.61
4. Step 4: Simplify right side
   7,402.29x = 41,329,385.37
5. Step 5: Solve for x
   x = 41,329,385.37/7,402.29
6. Step 6: Final answer
   x = 5,583.32