Finding the Fourth Proportional to 12,031.17, 18,047.72 and 3,597.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,031.17 : 18,047.72 = 3,597.06 : x
2. Step 2: Convert to fraction form
   12,031.17/18,047.72 = 3,597.06/x
3. Step 3: Cross multiply
   12,031.17x = 18,047.72 × 3,597.06
4. Step 4: Simplify right side
   12,031.17x = 64,918,740.70
5. Step 5: Solve for x
   x = 64,918,740.70/12,031.17
6. Step 6: Final answer
   x = 5,395.88