Finding the Fourth Proportional to 1,981.08, 2,970.04 and 940.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.08 : 2,970.04 = 940.56 : x
2. Step 2: Convert to fraction form
   1,981.08/2,970.04 = 940.56/x
3. Step 3: Cross multiply
   1,981.08x = 2,970.04 × 940.56
4. Step 4: Simplify right side
   1,981.08x = 2,793,500.82
5. Step 5: Solve for x
   x = 2,793,500.82/1,981.08
6. Step 6: Final answer
   x = 1,410.09