Finding the Fourth Proportional to 13,105.93, 19,638.38 and 5,204.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.93 : 19,638.38 = 5,204.17 : x
2. Step 2: Convert to fraction form
   13,105.93/19,638.38 = 5,204.17/x
3. Step 3: Cross multiply
   13,105.93x = 19,638.38 × 5,204.17
4. Step 4: Simplify right side
   13,105.93x = 102,201,468.04
5. Step 5: Solve for x
   x = 102,201,468.04/13,105.93
6. Step 6: Final answer
   x = 7,798.11