Finding the Fourth Proportional to 14,129.27, 19,498.94 and 7,842.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,129.27 : 19,498.94 = 7,842.86 : x
2. Step 2: Convert to fraction form
   14,129.27/19,498.94 = 7,842.86/x
3. Step 3: Cross multiply
   14,129.27x = 19,498.94 × 7,842.86
4. Step 4: Simplify right side
   14,129.27x = 152,927,456.57
5. Step 5: Solve for x
   x = 152,927,456.57/14,129.27
6. Step 6: Final answer
   x = 10,823.45