Finding the Fourth Proportional to 2,136.32, 2,948.15 and 1,252.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.32 : 2,948.15 = 1,252.15 : x
2. Step 2: Convert to fraction form
   2,136.32/2,948.15 = 1,252.15/x
3. Step 3: Cross multiply
   2,136.32x = 2,948.15 × 1,252.15
4. Step 4: Simplify right side
   2,136.32x = 3,691,526.02
5. Step 5: Solve for x
   x = 3,691,526.02/2,136.32
6. Step 6: Final answer
   x = 1,727.98