Finding the Fourth Proportional to 1,981.29, 2,970.72 and 941.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.29 : 2,970.72 = 941.61 : x
2. Step 2: Convert to fraction form
   1,981.29/2,970.72 = 941.61/x
3. Step 3: Cross multiply
   1,981.29x = 2,970.72 × 941.61
4. Step 4: Simplify right side
   1,981.29x = 2,797,259.66
5. Step 5: Solve for x
   x = 2,797,259.66/1,981.29
6. Step 6: Final answer
   x = 1,411.84