Finding the Fourth Proportional to 2,196.31, 3,030.86 and 1,252.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.31 : 3,030.86 = 1,252.15 : x
2. Step 2: Convert to fraction form
   2,196.31/3,030.86 = 1,252.15/x
3. Step 3: Cross multiply
   2,196.31x = 3,030.86 × 1,252.15
4. Step 4: Simplify right side
   2,196.31x = 3,795,095.31
5. Step 5: Solve for x
   x = 3,795,095.31/2,196.31
6. Step 6: Final answer
   x = 1,727.95