Finding the Fourth Proportional to 3,575.56, 5,362.86 and 1,109.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,575.56 : 5,362.86 = 1,109.80 : x
2. Step 2: Convert to fraction form
   3,575.56/5,362.86 = 1,109.80/x
3. Step 3: Cross multiply
   3,575.56x = 5,362.86 × 1,109.80
4. Step 4: Simplify right side
   3,575.56x = 5,951,702.03
5. Step 5: Solve for x
   x = 5,951,702.03/3,575.56
6. Step 6: Final answer
   x = 1,664.55