Finding the Fourth Proportional to 11,105.91, 16,667.08 and 5,262.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.91 : 16,667.08 = 5,262.53 : x
2. Step 2: Convert to fraction form
   11,105.91/16,667.08 = 5,262.53/x
3. Step 3: Cross multiply
   11,105.91x = 16,667.08 × 5,262.53
4. Step 4: Simplify right side
   11,105.91x = 87,711,008.51
5. Step 5: Solve for x
   x = 87,711,008.51/11,105.91
6. Step 6: Final answer
   x = 7,897.69