Finding the Fourth Proportional to 4,580.19, 6,870.69 and 2,499.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,580.19 : 6,870.69 = 2,499.30 : x
2. Step 2: Convert to fraction form
   4,580.19/6,870.69 = 2,499.30/x
3. Step 3: Cross multiply
   4,580.19x = 6,870.69 × 2,499.30
4. Step 4: Simplify right side
   4,580.19x = 17,171,915.52
5. Step 5: Solve for x
   x = 17,171,915.52/4,580.19
6. Step 6: Final answer
   x = 3,749.17