Finding the Fourth Proportional to 9,061.47, 13,588.56 and 3,511.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.47 : 13,588.56 = 3,511.89 : x
2. Step 2: Convert to fraction form
   9,061.47/13,588.56 = 3,511.89/x
3. Step 3: Cross multiply
   9,061.47x = 13,588.56 × 3,511.89
4. Step 4: Simplify right side
   9,061.47x = 47,721,527.98
5. Step 5: Solve for x
   x = 47,721,527.98/9,061.47
6. Step 6: Final answer
   x = 5,266.42