Finding the Fourth Proportional to 2,045.07, 2,822.21 and 1,113.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.07 : 2,822.21 = 1,113.57 : x
2. Step 2: Convert to fraction form
   2,045.07/2,822.21 = 1,113.57/x
3. Step 3: Cross multiply
   2,045.07x = 2,822.21 × 1,113.57
4. Step 4: Simplify right side
   2,045.07x = 3,142,722.82
5. Step 5: Solve for x
   x = 3,142,722.82/2,045.07
6. Step 6: Final answer
   x = 1,536.73