Finding the Fourth Proportional to 1,981.99, 2,737.44 and 1,317.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.99 : 2,737.44 = 1,317.69 : x
2. Step 2: Convert to fraction form
   1,981.99/2,737.44 = 1,317.69/x
3. Step 3: Cross multiply
   1,981.99x = 2,737.44 × 1,317.69
4. Step 4: Simplify right side
   1,981.99x = 3,607,097.31
5. Step 5: Solve for x
   x = 3,607,097.31/1,981.99
6. Step 6: Final answer
   x = 1,819.94