Finding the Fourth Proportional to 9,825.07, 14,734.86 and 3,899.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,825.07 : 14,734.86 = 3,899.29 : x
2. Step 2: Convert to fraction form
   9,825.07/14,734.86 = 3,899.29/x
3. Step 3: Cross multiply
   9,825.07x = 14,734.86 × 3,899.29
4. Step 4: Simplify right side
   9,825.07x = 57,455,492.25
5. Step 5: Solve for x
   x = 57,455,492.25/9,825.07
6. Step 6: Final answer
   x = 5,847.85