Finding the Fourth Proportional to 5,384.52, 7,432.32 and 3,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,384.52 : 7,432.32 = 3,145.56 : x
2. Step 2: Convert to fraction form
   5,384.52/7,432.32 = 3,145.56/x
3. Step 3: Cross multiply
   5,384.52x = 7,432.32 × 3,145.56
4. Step 4: Simplify right side
   5,384.52x = 23,378,808.50
5. Step 5: Solve for x
   x = 23,378,808.50/5,384.52
6. Step 6: Final answer
   x = 4,341.86