Finding the Fourth Proportional to 7,530.30, 10,386.63 and 5,296.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,530.30 : 10,386.63 = 5,296.86 : x
2. Step 2: Convert to fraction form
   7,530.30/10,386.63 = 5,296.86/x
3. Step 3: Cross multiply
   7,530.30x = 10,386.63 × 5,296.86
4. Step 4: Simplify right side
   7,530.30x = 55,016,524.98
5. Step 5: Solve for x
   x = 55,016,524.98/7,530.30
6. Step 6: Final answer
   x = 7,306.02