Finding the Fourth Proportional to 1,432.22, 1,977.41 and 1,100.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.22 : 1,977.41 = 1,100.05 : x
2. Step 2: Convert to fraction form
   1,432.22/1,977.41 = 1,100.05/x
3. Step 3: Cross multiply
   1,432.22x = 1,977.41 × 1,100.05
4. Step 4: Simplify right side
   1,432.22x = 2,175,234.48
5. Step 5: Solve for x
   x = 2,175,234.48/1,432.22
6. Step 6: Final answer
   x = 1,518.79