Finding the Fourth Proportional to 1,981.86, 2,973.39 and 683.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.86 : 2,973.39 = 683.22 : x
2. Step 2: Convert to fraction form
   1,981.86/2,973.39 = 683.22/x
3. Step 3: Cross multiply
   1,981.86x = 2,973.39 × 683.22
4. Step 4: Simplify right side
   1,981.86x = 2,031,479.52
5. Step 5: Solve for x
   x = 2,031,479.52/1,981.86
6. Step 6: Final answer
   x = 1,025.04