Finding the Fourth Proportional to 10,385.10, 15,573.81 and 3,809.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,385.10 : 15,573.81 = 3,809.58 : x
2. Step 2: Convert to fraction form
   10,385.10/15,573.81 = 3,809.58/x
3. Step 3: Cross multiply
   10,385.10x = 15,573.81 × 3,809.58
4. Step 4: Simplify right side
   10,385.10x = 59,329,675.10
5. Step 5: Solve for x
   x = 59,329,675.10/10,385.10
6. Step 6: Final answer
   x = 5,712.96