Finding the Fourth Proportional to 2,042.51, 2,818.65 and 1,111.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.51 : 2,818.65 = 1,111.01 : x
2. Step 2: Convert to fraction form
   2,042.51/2,818.65 = 1,111.01/x
3. Step 3: Cross multiply
   2,042.51x = 2,818.65 × 1,111.01
4. Step 4: Simplify right side
   2,042.51x = 3,131,534.24
5. Step 5: Solve for x
   x = 3,131,534.24/2,042.51
6. Step 6: Final answer
   x = 1,533.18