Finding the Fourth Proportional to 13,300.29, 19,949.54 and 5,905.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.29 : 19,949.54 = 5,905.17 : x
2. Step 2: Convert to fraction form
   13,300.29/19,949.54 = 5,905.17/x
3. Step 3: Cross multiply
   13,300.29x = 19,949.54 × 5,905.17
4. Step 4: Simplify right side
   13,300.29x = 117,805,395.60
5. Step 5: Solve for x
   x = 117,805,395.60/13,300.29
6. Step 6: Final answer
   x = 8,857.36