Finding the Fourth Proportional to 13,095.69, 18,071.99 and 7,127.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,095.69 : 18,071.99 = 7,127.36 : x
2. Step 2: Convert to fraction form
   13,095.69/18,071.99 = 7,127.36/x
3. Step 3: Cross multiply
   13,095.69x = 18,071.99 × 7,127.36
4. Step 4: Simplify right side
   13,095.69x = 128,805,547.15
5. Step 5: Solve for x
   x = 128,805,547.15/13,095.69
6. Step 6: Final answer
   x = 9,835.72