Finding the Fourth Proportional to 1,846.39, 2,769.35 and 807.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,846.39 : 2,769.35 = 807.10 : x
2. Step 2: Convert to fraction form
   1,846.39/2,769.35 = 807.10/x
3. Step 3: Cross multiply
   1,846.39x = 2,769.35 × 807.10
4. Step 4: Simplify right side
   1,846.39x = 2,235,145.27
5. Step 5: Solve for x
   x = 2,235,145.27/1,846.39
6. Step 6: Final answer
   x = 1,210.55