Finding the Fourth Proportional to 2,178.42, 3,006.27 and 1,234.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.42 : 3,006.27 = 1,234.02 : x
2. Step 2: Convert to fraction form
   2,178.42/3,006.27 = 1,234.02/x
3. Step 3: Cross multiply
   2,178.42x = 3,006.27 × 1,234.02
4. Step 4: Simplify right side
   2,178.42x = 3,709,797.31
5. Step 5: Solve for x
   x = 3,709,797.31/2,178.42
6. Step 6: Final answer
   x = 1,702.98