Finding the Fourth Proportional to 3,404.93, 5,097.48 and 2,531.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.93 : 5,097.48 = 2,531.30 : x
2. Step 2: Convert to fraction form
   3,404.93/5,097.48 = 2,531.30/x
3. Step 3: Cross multiply
   3,404.93x = 5,097.48 × 2,531.30
4. Step 4: Simplify right side
   3,404.93x = 12,903,251.12
5. Step 5: Solve for x
   x = 12,903,251.12/3,404.93
6. Step 6: Final answer
   x = 3,789.58