Finding the Fourth Proportional to 11,636.48, 16,051.12 and 10,147.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,636.48 : 16,051.12 = 10,147.96 : x
2. Step 2: Convert to fraction form
   11,636.48/16,051.12 = 10,147.96/x
3. Step 3: Cross multiply
   11,636.48x = 16,051.12 × 10,147.96
4. Step 4: Simplify right side
   11,636.48x = 162,886,123.72
5. Step 5: Solve for x
   x = 162,886,123.72/11,636.48
6. Step 6: Final answer
   x = 13,997.89