Finding the Fourth Proportional to 11,665.52, 17,495.68 and 3,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.52 : 17,495.68 = 3,345.50 : x
2. Step 2: Convert to fraction form
   11,665.52/17,495.68 = 3,345.50/x
3. Step 3: Cross multiply
   11,665.52x = 17,495.68 × 3,345.50
4. Step 4: Simplify right side
   11,665.52x = 58,531,797.44
5. Step 5: Solve for x
   x = 58,531,797.44/11,665.52
6. Step 6: Final answer
   x = 5,017.50