Finding the Fourth Proportional to 13,081.89, 19,623.51 and 4,317.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,081.89 : 19,623.51 = 4,317.48 : x
2. Step 2: Convert to fraction form
   13,081.89/19,623.51 = 4,317.48/x
3. Step 3: Cross multiply
   13,081.89x = 19,623.51 × 4,317.48
4. Step 4: Simplify right side
   13,081.89x = 84,724,144.82
5. Step 5: Solve for x
   x = 84,724,144.82/13,081.89
6. Step 6: Final answer
   x = 6,476.45