Finding the Fourth Proportional to 11,436.46, 17,152.62 and 3,429.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,436.46 : 17,152.62 = 3,429.58 : x
2. Step 2: Convert to fraction form
   11,436.46/17,152.62 = 3,429.58/x
3. Step 3: Cross multiply
   11,436.46x = 17,152.62 × 3,429.58
4. Step 4: Simplify right side
   11,436.46x = 58,826,282.50
5. Step 5: Solve for x
   x = 58,826,282.50/11,436.46
6. Step 6: Final answer
   x = 5,143.75