Finding the Fourth Proportional to 7,339.59, 10,128.51 and 4,152.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,339.59 : 10,128.51 = 4,152.84 : x
2. Step 2: Convert to fraction form
   7,339.59/10,128.51 = 4,152.84/x
3. Step 3: Cross multiply
   7,339.59x = 10,128.51 × 4,152.84
4. Step 4: Simplify right side
   7,339.59x = 42,062,081.47
5. Step 5: Solve for x
   x = 42,062,081.47/7,339.59
6. Step 6: Final answer
   x = 5,730.85