Finding the Fourth Proportional to 1,374.45, 1,896.06 and 981.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.45 : 1,896.06 = 981.71 : x
2. Step 2: Convert to fraction form
   1,374.45/1,896.06 = 981.71/x
3. Step 3: Cross multiply
   1,374.45x = 1,896.06 × 981.71
4. Step 4: Simplify right side
   1,374.45x = 1,861,381.06
5. Step 5: Solve for x
   x = 1,861,381.06/1,374.45
6. Step 6: Final answer
   x = 1,354.27