Finding the Fourth Proportional to 1,865.62, 2,796.81 and 1,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.62 : 2,796.81 = 1,094.50 : x
2. Step 2: Convert to fraction form
   1,865.62/2,796.81 = 1,094.50/x
3. Step 3: Cross multiply
   1,865.62x = 2,796.81 × 1,094.50
4. Step 4: Simplify right side
   1,865.62x = 3,061,108.55
5. Step 5: Solve for x
   x = 3,061,108.55/1,865.62
6. Step 6: Final answer
   x = 1,640.80