Finding the Fourth Proportional to 12,047.10, 18,070.47 and 3,281.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,047.10 : 18,070.47 = 3,281.99 : x
2. Step 2: Convert to fraction form
   12,047.10/18,070.47 = 3,281.99/x
3. Step 3: Cross multiply
   12,047.10x = 18,070.47 × 3,281.99
4. Step 4: Simplify right side
   12,047.10x = 59,307,147.01
5. Step 5: Solve for x
   x = 59,307,147.01/12,047.10
6. Step 6: Final answer
   x = 4,922.94