Finding the Fourth Proportional to 16,838.17, 23,246.63 and 14,970

Step by Step Solution

1. Step 1: Write the proportion equation
   16,838.17 : 23,246.63 = 14,970 : x
2. Step 2: Convert to fraction form
   16,838.17/23,246.63 = 14,970/x
3. Step 3: Cross multiply
   16,838.17x = 23,246.63 × 14,970
4. Step 4: Simplify right side
   16,838.17x = 348,002,051.10
5. Step 5: Solve for x
   x = 348,002,051.10/16,838.17
6. Step 6: Final answer
   x = 20,667.45