Finding the Fourth Proportional to 7,300.13, 10,075.59 and 5,528.66

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.13 : 10,075.59 = 5,528.66 : x
2. Step 2: Convert to fraction form
   7,300.13/10,075.59 = 5,528.66/x
3. Step 3: Cross multiply
   7,300.13x = 10,075.59 × 5,528.66
4. Step 4: Simplify right side
   7,300.13x = 55,704,461.03
5. Step 5: Solve for x
   x = 55,704,461.03/7,300.13
6. Step 6: Final answer
   x = 7,630.62