Finding the Fourth Proportional to 11,447.73, 17,155.98 and 7,006.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,447.73 : 17,155.98 = 7,006.91 : x
2. Step 2: Convert to fraction form
   11,447.73/17,155.98 = 7,006.91/x
3. Step 3: Cross multiply
   11,447.73x = 17,155.98 × 7,006.91
4. Step 4: Simplify right side
   11,447.73x = 120,210,322.04
5. Step 5: Solve for x
   x = 120,210,322.04/11,447.73
6. Step 6: Final answer
   x = 10,500.80