Finding the Fourth Proportional to 33,690.50, 50,516.31 and 14,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,690.50 : 50,516.31 = 14,970.50 : x
2. Step 2: Convert to fraction form
   33,690.50/50,516.31 = 14,970.50/x
3. Step 3: Cross multiply
   33,690.50x = 50,516.31 × 14,970.50
4. Step 4: Simplify right side
   33,690.50x = 756,254,418.86
5. Step 5: Solve for x
   x = 756,254,418.86/33,690.50
6. Step 6: Final answer
   x = 22,447.11