Finding the Fourth Proportional to 1,693.89, 2,337.69 and 948

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.89 : 2,337.69 = 948 : x
2. Step 2: Convert to fraction form
   1,693.89/2,337.69 = 948/x
3. Step 3: Cross multiply
   1,693.89x = 2,337.69 × 948
4. Step 4: Simplify right side
   1,693.89x = 2,216,130.12
5. Step 5: Solve for x
   x = 2,216,130.12/1,693.89
6. Step 6: Final answer
   x = 1,308.31