Finding the Fourth Proportional to 10,398.58, 15,526.18 and 10,293.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.58 : 15,526.18 = 10,293.48 : x
2. Step 2: Convert to fraction form
   10,398.58/15,526.18 = 10,293.48/x
3. Step 3: Cross multiply
   10,398.58x = 15,526.18 × 10,293.48
4. Step 4: Simplify right side
   10,398.58x = 159,818,436.17
5. Step 5: Solve for x
   x = 159,818,436.17/10,398.58
6. Step 6: Final answer
   x = 15,369.26