Finding the Fourth Proportional to 9,784.82, 14,679.96 and 3,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,784.82 : 14,679.96 = 3,945.50 : x
2. Step 2: Convert to fraction form
   9,784.82/14,679.96 = 3,945.50/x
3. Step 3: Cross multiply
   9,784.82x = 14,679.96 × 3,945.50
4. Step 4: Simplify right side
   9,784.82x = 57,919,782.18
5. Step 5: Solve for x
   x = 57,919,782.18/9,784.82
6. Step 6: Final answer
   x = 5,919.35