Finding the Fourth Proportional to 11,746.77, 17,620.52 and 3,426.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,746.77 : 17,620.52 = 3,426.59 : x
2. Step 2: Convert to fraction form
   11,746.77/17,620.52 = 3,426.59/x
3. Step 3: Cross multiply
   11,746.77x = 17,620.52 × 3,426.59
4. Step 4: Simplify right side
   11,746.77x = 60,378,192.39
5. Step 5: Solve for x
   x = 60,378,192.39/11,746.77
6. Step 6: Final answer
   x = 5,139.98