Finding the Fourth Proportional to 13,111.61, 18,095.32 and 8,006.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.61 : 18,095.32 = 8,006.84 : x
2. Step 2: Convert to fraction form
   13,111.61/18,095.32 = 8,006.84/x
3. Step 3: Cross multiply
   13,111.61x = 18,095.32 × 8,006.84
4. Step 4: Simplify right side
   13,111.61x = 144,886,319.38
5. Step 5: Solve for x
   x = 144,886,319.38/13,111.61
6. Step 6: Final answer
   x = 11,050.24