Finding the Fourth Proportional to 2,818.55, 3,889.83 and 1,560.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.55 : 3,889.83 = 1,560.01 : x
2. Step 2: Convert to fraction form
   2,818.55/3,889.83 = 1,560.01/x
3. Step 3: Cross multiply
   2,818.55x = 3,889.83 × 1,560.01
4. Step 4: Simplify right side
   2,818.55x = 6,068,190.38
5. Step 5: Solve for x
   x = 6,068,190.38/2,818.55
6. Step 6: Final answer
   x = 2,152.95