Finding the Fourth Proportional to 5,404.32, 7,457.96 and 2,920.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.32 : 7,457.96 = 2,920.32 : x
2. Step 2: Convert to fraction form
   5,404.32/7,457.96 = 2,920.32/x
3. Step 3: Cross multiply
   5,404.32x = 7,457.96 × 2,920.32
4. Step 4: Simplify right side
   5,404.32x = 21,779,615.15
5. Step 5: Solve for x
   x = 21,779,615.15/5,404.32
6. Step 6: Final answer
   x = 4,030.04