Finding the Fourth Proportional to 23,436.56, 35,159.54 and 8,645.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,436.56 : 35,159.54 = 8,645.55 : x
2. Step 2: Convert to fraction form
   23,436.56/35,159.54 = 8,645.55/x
3. Step 3: Cross multiply
   23,436.56x = 35,159.54 × 8,645.55
4. Step 4: Simplify right side
   23,436.56x = 303,973,517.82
5. Step 5: Solve for x
   x = 303,973,517.82/23,436.56
6. Step 6: Final answer
   x = 12,970.06