Finding the Fourth Proportional to 7,339.58, 10,128.53 and 4,152.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,339.58 : 10,128.53 = 4,152.81 : x
2. Step 2: Convert to fraction form
   7,339.58/10,128.53 = 4,152.81/x
3. Step 3: Cross multiply
   7,339.58x = 10,128.53 × 4,152.81
4. Step 4: Simplify right side
   7,339.58x = 42,061,839.91
5. Step 5: Solve for x
   x = 42,061,839.91/7,339.58
6. Step 6: Final answer
   x = 5,730.83