Finding the Fourth Proportional to 10,385.82, 15,569.48 and 3,810.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,385.82 : 15,569.48 = 3,810.48 : x
2. Step 2: Convert to fraction form
   10,385.82/15,569.48 = 3,810.48/x
3. Step 3: Cross multiply
   10,385.82x = 15,569.48 × 3,810.48
4. Step 4: Simplify right side
   10,385.82x = 59,327,192.15
5. Step 5: Solve for x
   x = 59,327,192.15/10,385.82
6. Step 6: Final answer
   x = 5,712.33