Finding the Fourth Proportional to 1,561.32, 2,348.46 and 1,412.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.32 : 2,348.46 = 1,412.28 : x
2. Step 2: Convert to fraction form
   1,561.32/2,348.46 = 1,412.28/x
3. Step 3: Cross multiply
   1,561.32x = 2,348.46 × 1,412.28
4. Step 4: Simplify right side
   1,561.32x = 3,316,683.09
5. Step 5: Solve for x
   x = 3,316,683.09/1,561.32
6. Step 6: Final answer
   x = 2,124.28