Finding the Fourth Proportional to 9,678.63, 14,518.31 and 3,015.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,678.63 : 14,518.31 = 3,015.83 : x
2. Step 2: Convert to fraction form
   9,678.63/14,518.31 = 3,015.83/x
3. Step 3: Cross multiply
   9,678.63x = 14,518.31 × 3,015.83
4. Step 4: Simplify right side
   9,678.63x = 43,784,667.18
5. Step 5: Solve for x
   x = 43,784,667.18/9,678.63
6. Step 6: Final answer
   x = 4,523.85