Finding the Fourth Proportional to 2,961.24, 4,440.59 and 1,111.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961.24 : 4,440.59 = 1,111.07 : x
2. Step 2: Convert to fraction form
   2,961.24/4,440.59 = 1,111.07/x
3. Step 3: Cross multiply
   2,961.24x = 4,440.59 × 1,111.07
4. Step 4: Simplify right side
   2,961.24x = 4,933,820.21
5. Step 5: Solve for x
   x = 4,933,820.21/2,961.24
6. Step 6: Final answer
   x = 1,666.13