Finding the Fourth Proportional to 9,061.56, 13,586.94 and 3,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.56 : 13,586.94 = 3,136.50 : x
2. Step 2: Convert to fraction form
   9,061.56/13,586.94 = 3,136.50/x
3. Step 3: Cross multiply
   9,061.56x = 13,586.94 × 3,136.50
4. Step 4: Simplify right side
   9,061.56x = 42,615,437.31
5. Step 5: Solve for x
   x = 42,615,437.31/9,061.56
6. Step 6: Final answer
   x = 4,702.88