Finding the Fourth Proportional to 22,098.25, 30,495.31 and 13,145.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,098.25 : 30,495.31 = 13,145.59 : x
2. Step 2: Convert to fraction form
   22,098.25/30,495.31 = 13,145.59/x
3. Step 3: Cross multiply
   22,098.25x = 30,495.31 × 13,145.59
4. Step 4: Simplify right side
   22,098.25x = 400,878,842.18
5. Step 5: Solve for x
   x = 400,878,842.18/22,098.25
6. Step 6: Final answer
   x = 18,140.75