Finding the Fourth Proportional to 9,061.95, 13,591.47 and 2,486.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.95 : 13,591.47 = 2,486.60 : x
2. Step 2: Convert to fraction form
   9,061.95/13,591.47 = 2,486.60/x
3. Step 3: Cross multiply
   9,061.95x = 13,591.47 × 2,486.60
4. Step 4: Simplify right side
   9,061.95x = 33,796,549.30
5. Step 5: Solve for x
   x = 33,796,549.30/9,061.95
6. Step 6: Final answer
   x = 3,729.50