Finding the Fourth Proportional to 1,368.70, 1,888.72 and 949.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.70 : 1,888.72 = 949.52 : x
2. Step 2: Convert to fraction form
   1,368.70/1,888.72 = 949.52/x
3. Step 3: Cross multiply
   1,368.70x = 1,888.72 × 949.52
4. Step 4: Simplify right side
   1,368.70x = 1,793,379.76
5. Step 5: Solve for x
   x = 1,793,379.76/1,368.70
6. Step 6: Final answer
   x = 1,310.28