Finding the Fourth Proportional to 2,803.69, 3,864.78 and 2,094.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803.69 : 3,864.78 = 2,094.45 : x
2. Step 2: Convert to fraction form
   2,803.69/3,864.78 = 2,094.45/x
3. Step 3: Cross multiply
   2,803.69x = 3,864.78 × 2,094.45
4. Step 4: Simplify right side
   2,803.69x = 8,094,597.42
5. Step 5: Solve for x
   x = 8,094,597.42/2,803.69
6. Step 6: Final answer
   x = 2,887.12