Finding the Fourth Proportional to 2,111.82, 2,914.44 and 1,167.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.82 : 2,914.44 = 1,167.62 : x
2. Step 2: Convert to fraction form
   2,111.82/2,914.44 = 1,167.62/x
3. Step 3: Cross multiply
   2,111.82x = 2,914.44 × 1,167.62
4. Step 4: Simplify right side
   2,111.82x = 3,402,943.86
5. Step 5: Solve for x
   x = 3,402,943.86/2,111.82
6. Step 6: Final answer
   x = 1,611.38