Finding the Fourth Proportional to 13,158.72, 19,737.62 and 3,298.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,158.72 : 19,737.62 = 3,298.08 : x
2. Step 2: Convert to fraction form
   13,158.72/19,737.62 = 3,298.08/x
3. Step 3: Cross multiply
   13,158.72x = 19,737.62 × 3,298.08
4. Step 4: Simplify right side
   13,158.72x = 65,096,249.77
5. Step 5: Solve for x
   x = 65,096,249.77/13,158.72
6. Step 6: Final answer
   x = 4,947.00