Finding the Fourth Proportional to 14,146.96, 19,522.62 and 7,859.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,146.96 : 19,522.62 = 7,859.20 : x
2. Step 2: Convert to fraction form
   14,146.96/19,522.62 = 7,859.20/x
3. Step 3: Cross multiply
   14,146.96x = 19,522.62 × 7,859.20
4. Step 4: Simplify right side
   14,146.96x = 153,432,175.10
5. Step 5: Solve for x
   x = 153,432,175.10/14,146.96
6. Step 6: Final answer
   x = 10,845.59