Finding the Fourth Proportional to 1,933.62, 2,898.81 and 1,315.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.62 : 2,898.81 = 1,315.59 : x
2. Step 2: Convert to fraction form
   1,933.62/2,898.81 = 1,315.59/x
3. Step 3: Cross multiply
   1,933.62x = 2,898.81 × 1,315.59
4. Step 4: Simplify right side
   1,933.62x = 3,813,645.45
5. Step 5: Solve for x
   x = 3,813,645.45/1,933.62
6. Step 6: Final answer
   x = 1,972.28