Finding the Fourth Proportional to 1,369.31, 1,886.36 and 948.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.31 : 1,886.36 = 948.92 : x
2. Step 2: Convert to fraction form
   1,369.31/1,886.36 = 948.92/x
3. Step 3: Cross multiply
   1,369.31x = 1,886.36 × 948.92
4. Step 4: Simplify right side
   1,369.31x = 1,789,990.55
5. Step 5: Solve for x
   x = 1,789,990.55/1,369.31
6. Step 6: Final answer
   x = 1,307.23