Finding the Fourth Proportional to 8,748.60, 12,075.02 and 5,561.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.60 : 12,075.02 = 5,561.27 : x
2. Step 2: Convert to fraction form
   8,748.60/12,075.02 = 5,561.27/x
3. Step 3: Cross multiply
   8,748.60x = 12,075.02 × 5,561.27
4. Step 4: Simplify right side
   8,748.60x = 67,152,446.48
5. Step 5: Solve for x
   x = 67,152,446.48/8,748.60
6. Step 6: Final answer
   x = 7,675.79