Finding the Fourth Proportional to 11,564.52, 15,953.38 and 7,086.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,564.52 : 15,953.38 = 7,086.84 : x
2. Step 2: Convert to fraction form
   11,564.52/15,953.38 = 7,086.84/x
3. Step 3: Cross multiply
   11,564.52x = 15,953.38 × 7,086.84
4. Step 4: Simplify right side
   11,564.52x = 113,059,051.52
5. Step 5: Solve for x
   x = 113,059,051.52/11,564.52
6. Step 6: Final answer
   x = 9,776.37