Finding the Fourth Proportional to 9,788.60, 14,687.94 and 4,858.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,788.60 : 14,687.94 = 4,858.14 : x
2. Step 2: Convert to fraction form
   9,788.60/14,687.94 = 4,858.14/x
3. Step 3: Cross multiply
   9,788.60x = 14,687.94 × 4,858.14
4. Step 4: Simplify right side
   9,788.60x = 71,356,068.83
5. Step 5: Solve for x
   x = 71,356,068.83/9,788.60
6. Step 6: Final answer
   x = 7,289.71