Finding the Fourth Proportional to 1,948.71, 2,908.41 and 1,783.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.71 : 2,908.41 = 1,783.47 : x
2. Step 2: Convert to fraction form
   1,948.71/2,908.41 = 1,783.47/x
3. Step 3: Cross multiply
   1,948.71x = 2,908.41 × 1,783.47
4. Step 4: Simplify right side
   1,948.71x = 5,187,061.98
5. Step 5: Solve for x
   x = 5,187,061.98/1,948.71
6. Step 6: Final answer
   x = 2,661.79