Finding the Fourth Proportional to 12,071.65, 18,109.12 and 3,750.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.65 : 18,109.12 = 3,750.11 : x
2. Step 2: Convert to fraction form
   12,071.65/18,109.12 = 3,750.11/x
3. Step 3: Cross multiply
   12,071.65x = 18,109.12 × 3,750.11
4. Step 4: Simplify right side
   12,071.65x = 67,911,196.69
5. Step 5: Solve for x
   x = 67,911,196.69/12,071.65
6. Step 6: Final answer
   x = 5,625.68