Finding the Fourth Proportional to 1,375.30, 2,052.25 and 1,322.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.30 : 2,052.25 = 1,322.00 : x
2. Step 2: Convert to fraction form
   1,375.30/2,052.25 = 1,322.00/x
3. Step 3: Cross multiply
   1,375.30x = 2,052.25 × 1,322.00
4. Step 4: Simplify right side
   1,375.30x = 2,713,064.72
5. Step 5: Solve for x
   x = 2,713,064.72/1,375.30
6. Step 6: Final answer
   x = 1,972.70