Finding the Fourth Proportional to 12,071.25, 18,109.37 and 5,835.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.25 : 18,109.37 = 5,835.60 : x
2. Step 2: Convert to fraction form
   12,071.25/18,109.37 = 5,835.60/x
3. Step 3: Cross multiply
   12,071.25x = 18,109.37 × 5,835.60
4. Step 4: Simplify right side
   12,071.25x = 105,679,039.57
5. Step 5: Solve for x
   x = 105,679,039.57/12,071.25
6. Step 6: Final answer
   x = 8,754.61