Finding the Fourth Proportional to 11,665.61, 17,495.83 and 3,345.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.61 : 17,495.83 = 3,345.59 : x
2. Step 2: Convert to fraction form
   11,665.61/17,495.83 = 3,345.59/x
3. Step 3: Cross multiply
   11,665.61x = 17,495.83 × 3,345.59
4. Step 4: Simplify right side
   11,665.61x = 58,533,873.89
5. Step 5: Solve for x
   x = 58,533,873.89/11,665.61
6. Step 6: Final answer
   x = 5,017.64