Finding the Fourth Proportional to 3,068.61, 4,234.55 and 1,742.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,068.61 : 4,234.55 = 1,742.30 : x
2. Step 2: Convert to fraction form
   3,068.61/4,234.55 = 1,742.30/x
3. Step 3: Cross multiply
   3,068.61x = 4,234.55 × 1,742.30
4. Step 4: Simplify right side
   3,068.61x = 7,377,856.47
5. Step 5: Solve for x
   x = 7,377,856.47/3,068.61
6. Step 6: Final answer
   x = 2,404.30