Finding the Fourth Proportional to 1,372.81, 1,897.59 and 1,263.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.81 : 1,897.59 = 1,263.82 : x
2. Step 2: Convert to fraction form
   1,372.81/1,897.59 = 1,263.82/x
3. Step 3: Cross multiply
   1,372.81x = 1,897.59 × 1,263.82
4. Step 4: Simplify right side
   1,372.81x = 2,398,217.53
5. Step 5: Solve for x
   x = 2,398,217.53/1,372.81
6. Step 6: Final answer
   x = 1,746.94