Finding the Fourth Proportional to 2,111.24, 2,913.26 and 1,166.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.24 : 2,913.26 = 1,166.98 : x
2. Step 2: Convert to fraction form
   2,111.24/2,913.26 = 1,166.98/x
3. Step 3: Cross multiply
   2,111.24x = 2,913.26 × 1,166.98
4. Step 4: Simplify right side
   2,111.24x = 3,399,701.59
5. Step 5: Solve for x
   x = 3,399,701.59/2,111.24
6. Step 6: Final answer
   x = 1,610.29