Finding the Fourth Proportional to 1,567.03, 2,161.78 and 1,101.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.03 : 2,161.78 = 1,101.55 : x
2. Step 2: Convert to fraction form
   1,567.03/2,161.78 = 1,101.55/x
3. Step 3: Cross multiply
   1,567.03x = 2,161.78 × 1,101.55
4. Step 4: Simplify right side
   1,567.03x = 2,381,308.76
5. Step 5: Solve for x
   x = 2,381,308.76/1,567.03
6. Step 6: Final answer
   x = 1,519.63