Finding the Fourth Proportional to 17,436.86, 26,155.05 and 4,289.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,436.86 : 26,155.05 = 4,289.34 : x
2. Step 2: Convert to fraction form
   17,436.86/26,155.05 = 4,289.34/x
3. Step 3: Cross multiply
   17,436.86x = 26,155.05 × 4,289.34
4. Step 4: Simplify right side
   17,436.86x = 112,187,902.17
5. Step 5: Solve for x
   x = 112,187,902.17/17,436.86
6. Step 6: Final answer
   x = 6,433.95