Finding the Fourth Proportional to 5,290, 7,300.20 and 2,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,290 : 7,300.20 = 2,932.50 : x
2. Step 2: Convert to fraction form
   5,290/7,300.20 = 2,932.50/x
3. Step 3: Cross multiply
   5,290x = 7,300.20 × 2,932.50
4. Step 4: Simplify right side
   5,290x = 21,407,836.50
5. Step 5: Solve for x
   x = 21,407,836.50/5,290
6. Step 6: Final answer
   x = 4,046.85