Finding the Fourth Proportional to 14,146.38, 19,521.81 and 7,858.62

Step by Step Solution

1. Step 1: Write the proportion equation
   14,146.38 : 19,521.81 = 7,858.62 : x
2. Step 2: Convert to fraction form
   14,146.38/19,521.81 = 7,858.62/x
3. Step 3: Cross multiply
   14,146.38x = 19,521.81 × 7,858.62
4. Step 4: Simplify right side
   14,146.38x = 153,414,486.50
5. Step 5: Solve for x
   x = 153,414,486.50/14,146.38
6. Step 6: Final answer
   x = 10,844.79