Finding the Fourth Proportional to 18,099.95, 24,978.60 and 10,141.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,099.95 : 24,978.60 = 10,141.88 : x
2. Step 2: Convert to fraction form
   18,099.95/24,978.60 = 10,141.88/x
3. Step 3: Cross multiply
   18,099.95x = 24,978.60 × 10,141.88
4. Step 4: Simplify right side
   18,099.95x = 253,329,838.88
5. Step 5: Solve for x
   x = 253,329,838.88/18,099.95
6. Step 6: Final answer
   x = 13,996.17