Finding the Fourth Proportional to 14,122.69, 19,489.71 and 7,835.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,122.69 : 19,489.71 = 7,835.47 : x
2. Step 2: Convert to fraction form
   14,122.69/19,489.71 = 7,835.47/x
3. Step 3: Cross multiply
   14,122.69x = 19,489.71 × 7,835.47
4. Step 4: Simplify right side
   14,122.69x = 152,711,018.67
5. Step 5: Solve for x
   x = 152,711,018.67/14,122.69
6. Step 6: Final answer
   x = 10,813.17