Finding the Fourth Proportional to 2,770.65, 4,152.50 and 1,384.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,770.65 : 4,152.50 = 1,384.37 : x
2. Step 2: Convert to fraction form
   2,770.65/4,152.50 = 1,384.37/x
3. Step 3: Cross multiply
   2,770.65x = 4,152.50 × 1,384.37
4. Step 4: Simplify right side
   2,770.65x = 5,748,610.27
5. Step 5: Solve for x
   x = 5,748,610.27/2,770.65
6. Step 6: Final answer
   x = 2,074.82