Finding the Fourth Proportional to 11,821.14, 17,731.89 and 3,501.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,821.14 : 17,731.89 = 3,501.99 : x
2. Step 2: Convert to fraction form
   11,821.14/17,731.89 = 3,501.99/x
3. Step 3: Cross multiply
   11,821.14x = 17,731.89 × 3,501.99
4. Step 4: Simplify right side
   11,821.14x = 62,096,901.46
5. Step 5: Solve for x
   x = 62,096,901.46/11,821.14
6. Step 6: Final answer
   x = 5,253.04