Finding the Fourth Proportional to 11,855.98, 17,785.15 and 3,534.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,855.98 : 17,785.15 = 3,534.52 : x
2. Step 2: Convert to fraction form
   11,855.98/17,785.15 = 3,534.52/x
3. Step 3: Cross multiply
   11,855.98x = 17,785.15 × 3,534.52
4. Step 4: Simplify right side
   11,855.98x = 62,861,968.38
5. Step 5: Solve for x
   x = 62,861,968.38/11,855.98
6. Step 6: Final answer
   x = 5,302.13