Finding the Fourth Proportional to 2,421.78, 3,341.98 and 1,359.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.78 : 3,341.98 = 1,359.58 : x
2. Step 2: Convert to fraction form
   2,421.78/3,341.98 = 1,359.58/x
3. Step 3: Cross multiply
   2,421.78x = 3,341.98 × 1,359.58
4. Step 4: Simplify right side
   2,421.78x = 4,543,689.17
5. Step 5: Solve for x
   x = 4,543,689.17/2,421.78
6. Step 6: Final answer
   x = 1,876.18