Finding the Fourth Proportional to 1,948.99, 2,688.67 and 1,417.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.99 : 2,688.67 = 1,417.05 : x
2. Step 2: Convert to fraction form
   1,948.99/2,688.67 = 1,417.05/x
3. Step 3: Cross multiply
   1,948.99x = 2,688.67 × 1,417.05
4. Step 4: Simplify right side
   1,948.99x = 3,809,981.59
5. Step 5: Solve for x
   x = 3,809,981.59/1,948.99
6. Step 6: Final answer
   x = 1,954.85