Finding the Fourth Proportional to 6,864.89, 9,457.36 and 5,662.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,864.89 : 9,457.36 = 5,662.04 : x
2. Step 2: Convert to fraction form
   6,864.89/9,457.36 = 5,662.04/x
3. Step 3: Cross multiply
   6,864.89x = 9,457.36 × 5,662.04
4. Step 4: Simplify right side
   6,864.89x = 53,547,889.17
5. Step 5: Solve for x
   x = 53,547,889.17/6,864.89
6. Step 6: Final answer
   x = 7,800.26