Finding the Fourth Proportional to 12,099.31, 18,146.84 and 3,334.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099.31 : 18,146.84 = 3,334.91 : x
2. Step 2: Convert to fraction form
   12,099.31/18,146.84 = 3,334.91/x
3. Step 3: Cross multiply
   12,099.31x = 18,146.84 × 3,334.91
4. Step 4: Simplify right side
   12,099.31x = 60,517,970.78
5. Step 5: Solve for x
   x = 60,517,970.78/12,099.31
6. Step 6: Final answer
   x = 5,001.77