Finding the Fourth Proportional to 5,290.21, 7,300.43 and 2,932.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,290.21 : 7,300.43 = 2,932.40 : x
2. Step 2: Convert to fraction form
   5,290.21/7,300.43 = 2,932.40/x
3. Step 3: Cross multiply
   5,290.21x = 7,300.43 × 2,932.40
4. Step 4: Simplify right side
   5,290.21x = 21,407,795.52
5. Step 5: Solve for x
   x = 21,407,795.52/5,290.21
6. Step 6: Final answer
   x = 4,046.68