Finding the Fourth Proportional to 1,694.31, 2,337.62 and 948.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694.31 : 2,337.62 = 948.15 : x
2. Step 2: Convert to fraction form
   1,694.31/2,337.62 = 948.15/x
3. Step 3: Cross multiply
   1,694.31x = 2,337.62 × 948.15
4. Step 4: Simplify right side
   1,694.31x = 2,216,409.66
5. Step 5: Solve for x
   x = 2,216,409.66/1,694.31
6. Step 6: Final answer
   x = 1,308.15