Finding the Fourth Proportional to 45,807.50, 68,667.50 and 14,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,807.50 : 68,667.50 = 14,622.50 : x
2. Step 2: Convert to fraction form
   45,807.50/68,667.50 = 14,622.50/x
3. Step 3: Cross multiply
   45,807.50x = 68,667.50 × 14,622.50
4. Step 4: Simplify right side
   45,807.50x = 1,004,090,211.97
5. Step 5: Solve for x
   x = 1,004,090,211.97/45,807.50
6. Step 6: Final answer
   x = 21,919.78