Finding the Fourth Proportional to 2,499.62, 3,748.20 and 1,430.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.62 : 3,748.20 = 1,430.94 : x
2. Step 2: Convert to fraction form
   2,499.62/3,748.20 = 1,430.94/x
3. Step 3: Cross multiply
   2,499.62x = 3,748.20 × 1,430.94
4. Step 4: Simplify right side
   2,499.62x = 5,363,449.31
5. Step 5: Solve for x
   x = 5,363,449.31/2,499.62
6. Step 6: Final answer
   x = 2,145.71