Finding the Fourth Proportional to 14,171.83, 19,557.30 and 7,799.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,171.83 : 19,557.30 = 7,799.15 : x
2. Step 2: Convert to fraction form
   14,171.83/19,557.30 = 7,799.15/x
3. Step 3: Cross multiply
   14,171.83x = 19,557.30 × 7,799.15
4. Step 4: Simplify right side
   14,171.83x = 152,530,365.19
5. Step 5: Solve for x
   x = 152,530,365.19/14,171.83
6. Step 6: Final answer
   x = 10,762.93