Finding the Fourth Proportional to 9,761.84, 13,471.62 and 5,570

Step by Step Solution

1. Step 1: Write the proportion equation
   9,761.84 : 13,471.62 = 5,570 : x
2. Step 2: Convert to fraction form
   9,761.84/13,471.62 = 5,570/x
3. Step 3: Cross multiply
   9,761.84x = 13,471.62 × 5,570
4. Step 4: Simplify right side
   9,761.84x = 75,036,923.40
5. Step 5: Solve for x
   x = 75,036,923.40/9,761.84
6. Step 6: Final answer
   x = 7,686.76