Finding the Fourth Proportional to 1,453.62, 2,161.74 and 1,407.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.62 : 2,161.74 = 1,407.48 : x
2. Step 2: Convert to fraction form
   1,453.62/2,161.74 = 1,407.48/x
3. Step 3: Cross multiply
   1,453.62x = 2,161.74 × 1,407.48
4. Step 4: Simplify right side
   1,453.62x = 3,042,605.82
5. Step 5: Solve for x
   x = 3,042,605.82/1,453.62
6. Step 6: Final answer
   x = 2,093.12