Finding the Fourth Proportional to 2,188.87, 3,279.52 and 1,475.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.87 : 3,279.52 = 1,475.16 : x
2. Step 2: Convert to fraction form
   2,188.87/3,279.52 = 1,475.16/x
3. Step 3: Cross multiply
   2,188.87x = 3,279.52 × 1,475.16
4. Step 4: Simplify right side
   2,188.87x = 4,837,816.72
5. Step 5: Solve for x
   x = 4,837,816.72/2,188.87
6. Step 6: Final answer
   x = 2,210.19