Finding the Fourth Proportional to 1,341.76, 1,997.90 and 1,327.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.76 : 1,997.90 = 1,327.06 : x
2. Step 2: Convert to fraction form
   1,341.76/1,997.90 = 1,327.06/x
3. Step 3: Cross multiply
   1,341.76x = 1,997.90 × 1,327.06
4. Step 4: Simplify right side
   1,341.76x = 2,651,333.17
5. Step 5: Solve for x
   x = 2,651,333.17/1,341.76
6. Step 6: Final answer
   x = 1,976.01