Finding the Fourth Proportional to 2,899.47, 4,002.23 and 1,839

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899.47 : 4,002.23 = 1,839 : x
2. Step 2: Convert to fraction form
   2,899.47/4,002.23 = 1,839/x
3. Step 3: Cross multiply
   2,899.47x = 4,002.23 × 1,839
4. Step 4: Simplify right side
   2,899.47x = 7,360,091.78
5. Step 5: Solve for x
   x = 7,360,091.78/2,899.47
6. Step 6: Final answer
   x = 2,538.43