Finding the Fourth Proportional to 9,859.88, 14,789.64 and 2,934.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,859.88 : 14,789.64 = 2,934.56 : x
2. Step 2: Convert to fraction form
   9,859.88/14,789.64 = 2,934.56/x
3. Step 3: Cross multiply
   9,859.88x = 14,789.64 × 2,934.56
4. Step 4: Simplify right side
   9,859.88x = 43,401,085.96
5. Step 5: Solve for x
   x = 43,401,085.96/9,859.88
6. Step 6: Final answer
   x = 4,401.79