Finding the Fourth Proportional to 13,228.01, 19,838.01 and 5,327.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,228.01 : 19,838.01 = 5,327.98 : x
2. Step 2: Convert to fraction form
   13,228.01/19,838.01 = 5,327.98/x
3. Step 3: Cross multiply
   13,228.01x = 19,838.01 × 5,327.98
4. Step 4: Simplify right side
   13,228.01x = 105,696,490.90
5. Step 5: Solve for x
   x = 105,696,490.90/13,228.01
6. Step 6: Final answer
   x = 7,990.36