Finding the Fourth Proportional to 10,459.01, 15,689.42 and 3,436.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,459.01 : 15,689.42 = 3,436.89 : x
2. Step 2: Convert to fraction form
   10,459.01/15,689.42 = 3,436.89/x
3. Step 3: Cross multiply
   10,459.01x = 15,689.42 × 3,436.89
4. Step 4: Simplify right side
   10,459.01x = 53,922,793.52
5. Step 5: Solve for x
   x = 53,922,793.52/10,459.01
6. Step 6: Final answer
   x = 5,155.63