Finding the Fourth Proportional to 2,830.36, 4,242.30 and 1,097.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,830.36 : 4,242.30 = 1,097.50 : x
2. Step 2: Convert to fraction form
   2,830.36/4,242.30 = 1,097.50/x
3. Step 3: Cross multiply
   2,830.36x = 4,242.30 × 1,097.50
4. Step 4: Simplify right side
   2,830.36x = 4,655,924.25
5. Step 5: Solve for x
   x = 4,655,924.25/2,830.36
6. Step 6: Final answer
   x = 1,644.99