Finding the Fourth Proportional to 2,307.79, 3,184.72 and 1,313.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.79 : 3,184.72 = 1,313.06 : x
2. Step 2: Convert to fraction form
   2,307.79/3,184.72 = 1,313.06/x
3. Step 3: Cross multiply
   2,307.79x = 3,184.72 × 1,313.06
4. Step 4: Simplify right side
   2,307.79x = 4,181,727.15
5. Step 5: Solve for x
   x = 4,181,727.15/2,307.79
6. Step 6: Final answer
   x = 1,812.00