Finding the Fourth Proportional to 13,086.30, 19,617.96 and 5,194.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.30 : 19,617.96 = 5,194.38 : x
2. Step 2: Convert to fraction form
   13,086.30/19,617.96 = 5,194.38/x
3. Step 3: Cross multiply
   13,086.30x = 19,617.96 × 5,194.38
4. Step 4: Simplify right side
   13,086.30x = 101,903,139.06
5. Step 5: Solve for x
   x = 101,903,139.06/13,086.30
6. Step 6: Final answer
   x = 7,787.01