Finding the Fourth Proportional to 11,807.37, 17,706.89 and 3,485.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,807.37 : 17,706.89 = 3,485.16 : x
2. Step 2: Convert to fraction form
   11,807.37/17,706.89 = 3,485.16/x
3. Step 3: Cross multiply
   11,807.37x = 17,706.89 × 3,485.16
4. Step 4: Simplify right side
   11,807.37x = 61,711,353.47
5. Step 5: Solve for x
   x = 61,711,353.47/11,807.37
6. Step 6: Final answer
   x = 5,226.51