Finding the Fourth Proportional to 12,365.10, 18,530.82 and 10,298.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,365.10 : 18,530.82 = 10,298.16 : x
2. Step 2: Convert to fraction form
   12,365.10/18,530.82 = 10,298.16/x
3. Step 3: Cross multiply
   12,365.10x = 18,530.82 × 10,298.16
4. Step 4: Simplify right side
   12,365.10x = 190,833,349.29
5. Step 5: Solve for x
   x = 190,833,349.29/12,365.10
6. Step 6: Final answer
   x = 15,433.22