Finding the Fourth Proportional to 10,098.72, 15,150.60 and 5,942.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,098.72 : 15,150.60 = 5,942.21 : x
2. Step 2: Convert to fraction form
   10,098.72/15,150.60 = 5,942.21/x
3. Step 3: Cross multiply
   10,098.72x = 15,150.60 × 5,942.21
4. Step 4: Simplify right side
   10,098.72x = 90,027,971.07
5. Step 5: Solve for x
   x = 90,027,971.07/10,098.72
6. Step 6: Final answer
   x = 8,914.79