Finding the Fourth Proportional to 2,654.64, 3,978.36 and 1,499.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.64 : 3,978.36 = 1,499.76 : x
2. Step 2: Convert to fraction form
   2,654.64/3,978.36 = 1,499.76/x
3. Step 3: Cross multiply
   2,654.64x = 3,978.36 × 1,499.76
4. Step 4: Simplify right side
   2,654.64x = 5,966,585.19
5. Step 5: Solve for x
   x = 5,966,585.19/2,654.64
6. Step 6: Final answer
   x = 2,247.61