Finding the Fourth Proportional to 9,856.80, 14,782.62 and 3,933.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856.80 : 14,782.62 = 3,933.45 : x
2. Step 2: Convert to fraction form
   9,856.80/14,782.62 = 3,933.45/x
3. Step 3: Cross multiply
   9,856.80x = 14,782.62 × 3,933.45
4. Step 4: Simplify right side
   9,856.80x = 58,146,696.64
5. Step 5: Solve for x
   x = 58,146,696.64/9,856.80
6. Step 6: Final answer
   x = 5,899.15