Finding the Fourth Proportional to 9,854.58, 14,776.78 and 3,612.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,854.58 : 14,776.78 = 3,612.99 : x
2. Step 2: Convert to fraction form
   9,854.58/14,776.78 = 3,612.99/x
3. Step 3: Cross multiply
   9,854.58x = 14,776.78 × 3,612.99
4. Step 4: Simplify right side
   9,854.58x = 53,388,358.37
5. Step 5: Solve for x
   x = 53,388,358.37/9,854.58
6. Step 6: Final answer
   x = 5,417.62