Finding the Fourth Proportional to 1,300.66, 1,948.56 and 836.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.66 : 1,948.56 = 836.94 : x
2. Step 2: Convert to fraction form
   1,300.66/1,948.56 = 836.94/x
3. Step 3: Cross multiply
   1,300.66x = 1,948.56 × 836.94
4. Step 4: Simplify right side
   1,300.66x = 1,630,827.81
5. Step 5: Solve for x
   x = 1,630,827.81/1,300.66
6. Step 6: Final answer
   x = 1,253.85