Finding the Fourth Proportional to 9,761.50, 13,473.30 and 5,572.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,761.50 : 13,473.30 = 5,572.18 : x
2. Step 2: Convert to fraction form
   9,761.50/13,473.30 = 5,572.18/x
3. Step 3: Cross multiply
   9,761.50x = 13,473.30 × 5,572.18
4. Step 4: Simplify right side
   9,761.50x = 75,075,652.79
5. Step 5: Solve for x
   x = 75,075,652.79/9,761.50
6. Step 6: Final answer
   x = 7,691.00