Finding the Fourth Proportional to 9,865.86, 14,804.39 and 3,625.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865.86 : 14,804.39 = 3,625.06 : x
2. Step 2: Convert to fraction form
   9,865.86/14,804.39 = 3,625.06/x
3. Step 3: Cross multiply
   9,865.86x = 14,804.39 × 3,625.06
4. Step 4: Simplify right side
   9,865.86x = 53,666,783.89
5. Step 5: Solve for x
   x = 53,666,783.89/9,865.86
6. Step 6: Final answer
   x = 5,439.65