Finding the Fourth Proportional to 18,100.10, 24,978.27 and 10,930.34

Step by Step Solution

1. Step 1: Write the proportion equation
   18,100.10 : 24,978.27 = 10,930.34 : x
2. Step 2: Convert to fraction form
   18,100.10/24,978.27 = 10,930.34/x
3. Step 3: Cross multiply
   18,100.10x = 24,978.27 × 10,930.34
4. Step 4: Simplify right side
   18,100.10x = 273,020,858.82
5. Step 5: Solve for x
   x = 273,020,858.82/18,100.10
6. Step 6: Final answer
   x = 15,083.95