Finding the Fourth Proportional to 7,930.32, 10,943.92 and 5,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,930.32 : 10,943.92 = 5,140.72 : x
2. Step 2: Convert to fraction form
   7,930.32/10,943.92 = 5,140.72/x
3. Step 3: Cross multiply
   7,930.32x = 10,943.92 × 5,140.72
4. Step 4: Simplify right side
   7,930.32x = 56,259,628.42
5. Step 5: Solve for x
   x = 56,259,628.42/7,930.32
6. Step 6: Final answer
   x = 7,094.24