Finding the Fourth Proportional to 14,178.14, 21,265.69 and 4,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,178.14 : 21,265.69 = 4,317.50 : x
2. Step 2: Convert to fraction form
   14,178.14/21,265.69 = 4,317.50/x
3. Step 3: Cross multiply
   14,178.14x = 21,265.69 × 4,317.50
4. Step 4: Simplify right side
   14,178.14x = 91,814,667.04
5. Step 5: Solve for x
   x = 91,814,667.04/14,178.14
6. Step 6: Final answer
   x = 6,475.79