Finding the Fourth Proportional to 11,820.17, 17,730.20 and 3,500.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820.17 : 17,730.20 = 3,500.24 : x
2. Step 2: Convert to fraction form
   11,820.17/17,730.20 = 3,500.24/x
3. Step 3: Cross multiply
   11,820.17x = 17,730.20 × 3,500.24
4. Step 4: Simplify right side
   11,820.17x = 62,059,955.25
5. Step 5: Solve for x
   x = 62,059,955.25/11,820.17
6. Step 6: Final answer
   x = 5,250.34