Finding the Fourth Proportional to 5,404.07, 7,457.61 and 2,920.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.07 : 7,457.61 = 2,920.07 : x
2. Step 2: Convert to fraction form
   5,404.07/7,457.61 = 2,920.07/x
3. Step 3: Cross multiply
   5,404.07x = 7,457.61 × 2,920.07
4. Step 4: Simplify right side
   5,404.07x = 21,776,691.34
5. Step 5: Solve for x
   x = 21,776,691.34/5,404.07
6. Step 6: Final answer
   x = 4,029.69