Finding the Fourth Proportional to 2,899.88, 4,350.47 and 1,256.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899.88 : 4,350.47 = 1,256.69 : x
2. Step 2: Convert to fraction form
   2,899.88/4,350.47 = 1,256.69/x
3. Step 3: Cross multiply
   2,899.88x = 4,350.47 × 1,256.69
4. Step 4: Simplify right side
   2,899.88x = 5,467,192.14
5. Step 5: Solve for x
   x = 5,467,192.14/2,899.88
6. Step 6: Final answer
   x = 1,885.32