Finding the Fourth Proportional to 14,196.48, 19,590.72 and 7,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.48 : 19,590.72 = 7,908.72 : x
2. Step 2: Convert to fraction form
   14,196.48/19,590.72 = 7,908.72/x
3. Step 3: Cross multiply
   14,196.48x = 19,590.72 × 7,908.72
4. Step 4: Simplify right side
   14,196.48x = 154,937,519.08
5. Step 5: Solve for x
   x = 154,937,519.08/14,196.48
6. Step 6: Final answer
   x = 10,913.80