Finding the Fourth Proportional to 2,188.17, 3,285.12 and 1,300.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.17 : 3,285.12 = 1,300.33 : x
2. Step 2: Convert to fraction form
   2,188.17/3,285.12 = 1,300.33/x
3. Step 3: Cross multiply
   2,188.17x = 3,285.12 × 1,300.33
4. Step 4: Simplify right side
   2,188.17x = 4,271,731.88
5. Step 5: Solve for x
   x = 4,271,731.88/2,188.17
6. Step 6: Final answer
   x = 1,952.19