Finding the Fourth Proportional to 1,931.69, 2,899.01 and 1,338.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.69 : 2,899.01 = 1,338.38 : x
2. Step 2: Convert to fraction form
   1,931.69/2,899.01 = 1,338.38/x
3. Step 3: Cross multiply
   1,931.69x = 2,899.01 × 1,338.38
4. Step 4: Simplify right side
   1,931.69x = 3,879,955.82
5. Step 5: Solve for x
   x = 3,879,955.82/1,931.69
6. Step 6: Final answer
   x = 2,008.59