Finding the Fourth Proportional to 1,374.80, 1,897.95 and 1,059.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.80 : 1,897.95 = 1,059.37 : x
2. Step 2: Convert to fraction form
   1,374.80/1,897.95 = 1,059.37/x
3. Step 3: Cross multiply
   1,374.80x = 1,897.95 × 1,059.37
4. Step 4: Simplify right side
   1,374.80x = 2,010,631.46
5. Step 5: Solve for x
   x = 2,010,631.46/1,374.80
6. Step 6: Final answer
   x = 1,462.49