Finding the Fourth Proportional to 1,419.82, 2,129.12 and 1,047.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.82 : 2,129.12 = 1,047.37 : x
2. Step 2: Convert to fraction form
   1,419.82/2,129.12 = 1,047.37/x
3. Step 3: Cross multiply
   1,419.82x = 2,129.12 × 1,047.37
4. Step 4: Simplify right side
   1,419.82x = 2,229,976.41
5. Step 5: Solve for x
   x = 2,229,976.41/1,419.82
6. Step 6: Final answer
   x = 1,570.61