Finding the Fourth Proportional to 9,762.01, 13,471.61 and 5,285.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762.01 : 13,471.61 = 5,285.81 : x
2. Step 2: Convert to fraction form
   9,762.01/13,471.61 = 5,285.81/x
3. Step 3: Cross multiply
   9,762.01x = 13,471.61 × 5,285.81
4. Step 4: Simplify right side
   9,762.01x = 71,208,378.10
5. Step 5: Solve for x
   x = 71,208,378.10/9,762.01
6. Step 6: Final answer
   x = 7,294.44