Finding the Fourth Proportional to 8,098.31, 12,142.28 and 3,417.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,098.31 : 12,142.28 = 3,417.05 : x
2. Step 2: Convert to fraction form
   8,098.31/12,142.28 = 3,417.05/x
3. Step 3: Cross multiply
   8,098.31x = 12,142.28 × 3,417.05
4. Step 4: Simplify right side
   8,098.31x = 41,490,816.77
5. Step 5: Solve for x
   x = 41,490,816.77/8,098.31
6. Step 6: Final answer
   x = 5,123.39