Finding the Fourth Proportional to 9,036.47, 13,562.81 and 7,564.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.47 : 13,562.81 = 7,564.91 : x
2. Step 2: Convert to fraction form
   9,036.47/13,562.81 = 7,564.91/x
3. Step 3: Cross multiply
   9,036.47x = 13,562.81 × 7,564.91
4. Step 4: Simplify right side
   9,036.47x = 102,601,359.73
5. Step 5: Solve for x
   x = 102,601,359.73/9,036.47
6. Step 6: Final answer
   x = 11,354.14