Finding the Fourth Proportional to 5,392.31, 8,031.56 and 5,152.41

Step by Step Solution

1. Step 1: Write the proportion equation
   5,392.31 : 8,031.56 = 5,152.41 : x
2. Step 2: Convert to fraction form
   5,392.31/8,031.56 = 5,152.41/x
3. Step 3: Cross multiply
   5,392.31x = 8,031.56 × 5,152.41
4. Step 4: Simplify right side
   5,392.31x = 41,381,864.30
5. Step 5: Solve for x
   x = 41,381,864.30/5,392.31
6. Step 6: Final answer
   x = 7,674.24