Finding the Fourth Proportional to 2,093.61, 2,887.30 and 1,563.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.61 : 2,887.30 = 1,563.78 : x
2. Step 2: Convert to fraction form
   2,093.61/2,887.30 = 1,563.78/x
3. Step 3: Cross multiply
   2,093.61x = 2,887.30 × 1,563.78
4. Step 4: Simplify right side
   2,093.61x = 4,515,111.05
5. Step 5: Solve for x
   x = 4,515,111.05/2,093.61
6. Step 6: Final answer
   x = 2,156.61