Finding the Fourth Proportional to 1,694.91, 2,338.71 and 948.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694.91 : 2,338.71 = 948.90 : x
2. Step 2: Convert to fraction form
   1,694.91/2,338.71 = 948.90/x
3. Step 3: Cross multiply
   1,694.91x = 2,338.71 × 948.90
4. Step 4: Simplify right side
   1,694.91x = 2,219,210.69
5. Step 5: Solve for x
   x = 2,219,210.69/1,694.91
6. Step 6: Final answer
   x = 1,309.34