Finding the Fourth Proportional to 10,385.83, 15,569.47 and 3,810.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,385.83 : 15,569.47 = 3,810.48 : x
2. Step 2: Convert to fraction form
   10,385.83/15,569.47 = 3,810.48/x
3. Step 3: Cross multiply
   10,385.83x = 15,569.47 × 3,810.48
4. Step 4: Simplify right side
   10,385.83x = 59,327,154.05
5. Step 5: Solve for x
   x = 59,327,154.05/10,385.83
6. Step 6: Final answer
   x = 5,712.32