Finding the Fourth Proportional to 7,339.04, 10,128.32 and 4,152.63

Step by Step Solution

1. Step 1: Write the proportion equation
   7,339.04 : 10,128.32 = 4,152.63 : x
2. Step 2: Convert to fraction form
   7,339.04/10,128.32 = 4,152.63/x
3. Step 3: Cross multiply
   7,339.04x = 10,128.32 × 4,152.63
4. Step 4: Simplify right side
   7,339.04x = 42,059,165.48
5. Step 5: Solve for x
   x = 42,059,165.48/7,339.04
6. Step 6: Final answer
   x = 5,730.88