Finding the Fourth Proportional to 10,398.38, 15,588.05 and 3,819.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.38 : 15,588.05 = 3,819.56 : x
2. Step 2: Convert to fraction form
   10,398.38/15,588.05 = 3,819.56/x
3. Step 3: Cross multiply
   10,398.38x = 15,588.05 × 3,819.56
4. Step 4: Simplify right side
   10,398.38x = 59,539,395.22
5. Step 5: Solve for x
   x = 59,539,395.22/10,398.38
6. Step 6: Final answer
   x = 5,725.84