Finding the Fourth Proportional to 1,897.46, 2,618.31 and 1,400.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.46 : 2,618.31 = 1,400.37 : x
2. Step 2: Convert to fraction form
   1,897.46/2,618.31 = 1,400.37/x
3. Step 3: Cross multiply
   1,897.46x = 2,618.31 × 1,400.37
4. Step 4: Simplify right side
   1,897.46x = 3,666,602.77
5. Step 5: Solve for x
   x = 3,666,602.77/1,897.46
6. Step 6: Final answer
   x = 1,932.37