Finding the Fourth Proportional to 7,484.61, 10,329.37 and 4,128.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,484.61 : 10,329.37 = 4,128.08 : x
2. Step 2: Convert to fraction form
   7,484.61/10,329.37 = 4,128.08/x
3. Step 3: Cross multiply
   7,484.61x = 10,329.37 × 4,128.08
4. Step 4: Simplify right side
   7,484.61x = 42,640,465.71
5. Step 5: Solve for x
   x = 42,640,465.71/7,484.61
6. Step 6: Final answer
   x = 5,697.09