Finding the Fourth Proportional to 1,981.17, 2,973.57 and 1,007.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.17 : 2,973.57 = 1,007.94 : x
2. Step 2: Convert to fraction form
   1,981.17/2,973.57 = 1,007.94/x
3. Step 3: Cross multiply
   1,981.17x = 2,973.57 × 1,007.94
4. Step 4: Simplify right side
   1,981.17x = 2,997,180.15
5. Step 5: Solve for x
   x = 2,997,180.15/1,981.17
6. Step 6: Final answer
   x = 1,512.83