Finding the Fourth Proportional to 13,799.97, 19,043.30 and 7,830.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,799.97 : 19,043.30 = 7,830.83 : x
2. Step 2: Convert to fraction form
   13,799.97/19,043.30 = 7,830.83/x
3. Step 3: Cross multiply
   13,799.97x = 19,043.30 × 7,830.83
4. Step 4: Simplify right side
   13,799.97x = 149,124,805.01
5. Step 5: Solve for x
   x = 149,124,805.01/13,799.97
6. Step 6: Final answer
   x = 10,806.17