Finding the Fourth Proportional to 1,373.36, 1,897.43 and 1,059.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.36 : 1,897.43 = 1,059.89 : x
2. Step 2: Convert to fraction form
   1,373.36/1,897.43 = 1,059.89/x
3. Step 3: Cross multiply
   1,373.36x = 1,897.43 × 1,059.89
4. Step 4: Simplify right side
   1,373.36x = 2,011,052.30
5. Step 5: Solve for x
   x = 2,011,052.30/1,373.36
6. Step 6: Final answer
   x = 1,464.34