Finding the Fourth Proportional to 1,412.32, 2,116.62 and 1,266.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.32 : 2,116.62 = 1,266.52 : x
2. Step 2: Convert to fraction form
   1,412.32/2,116.62 = 1,266.52/x
3. Step 3: Cross multiply
   1,412.32x = 2,116.62 × 1,266.52
4. Step 4: Simplify right side
   1,412.32x = 2,680,741.56
5. Step 5: Solve for x
   x = 2,680,741.56/1,412.32
6. Step 6: Final answer
   x = 1,898.11