Finding the Fourth Proportional to 2,377.06, 3,280.31 and 1,329.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.06 : 3,280.31 = 1,329.12 : x
2. Step 2: Convert to fraction form
   2,377.06/3,280.31 = 1,329.12/x
3. Step 3: Cross multiply
   2,377.06x = 3,280.31 × 1,329.12
4. Step 4: Simplify right side
   2,377.06x = 4,359,925.63
5. Step 5: Solve for x
   x = 4,359,925.63/2,377.06
6. Step 6: Final answer
   x = 1,834.17