Finding the Fourth Proportional to 13,071.59, 19,605.32 and 10,864.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,071.59 : 19,605.32 = 10,864.59 : x
2. Step 2: Convert to fraction form
   13,071.59/19,605.32 = 10,864.59/x
3. Step 3: Cross multiply
   13,071.59x = 19,605.32 × 10,864.59
4. Step 4: Simplify right side
   13,071.59x = 213,003,763.62
5. Step 5: Solve for x
   x = 213,003,763.62/13,071.59
6. Step 6: Final answer
   x = 16,295.17