Finding the Fourth Proportional to 2,374.69, 3,277.07 and 1,312.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.69 : 3,277.07 = 1,312.43 : x
2. Step 2: Convert to fraction form
   2,374.69/3,277.07 = 1,312.43/x
3. Step 3: Cross multiply
   2,374.69x = 3,277.07 × 1,312.43
4. Step 4: Simplify right side
   2,374.69x = 4,300,902.03
5. Step 5: Solve for x
   x = 4,300,902.03/2,374.69
6. Step 6: Final answer
   x = 1,811.14