Finding the Fourth Proportional to 2,153.34, 2,971.62 and 1,314.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.34 : 2,971.62 = 1,314.09 : x
2. Step 2: Convert to fraction form
   2,153.34/2,971.62 = 1,314.09/x
3. Step 3: Cross multiply
   2,153.34x = 2,971.62 × 1,314.09
4. Step 4: Simplify right side
   2,153.34x = 3,904,976.13
5. Step 5: Solve for x
   x = 3,904,976.13/2,153.34
6. Step 6: Final answer
   x = 1,813.45