Finding the Fourth Proportional to 7,443.30, 10,271.34 and 4,256.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.30 : 10,271.34 = 4,256.40 : x
2. Step 2: Convert to fraction form
   7,443.30/10,271.34 = 4,256.40/x
3. Step 3: Cross multiply
   7,443.30x = 10,271.34 × 4,256.40
4. Step 4: Simplify right side
   7,443.30x = 43,718,931.58
5. Step 5: Solve for x
   x = 43,718,931.58/7,443.30
6. Step 6: Final answer
   x = 5,873.60