Finding the Fourth Proportional to 10,577.98, 14,564.40 and 8,981.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,577.98 : 14,564.40 = 8,981.29 : x
2. Step 2: Convert to fraction form
   10,577.98/14,564.40 = 8,981.29/x
3. Step 3: Cross multiply
   10,577.98x = 14,564.40 × 8,981.29
4. Step 4: Simplify right side
   10,577.98x = 130,807,100.08
5. Step 5: Solve for x
   x = 130,807,100.08/10,577.98
6. Step 6: Final answer
   x = 12,365.98