Finding the Fourth Proportional to 13,819.79, 19,071.83 and 7,852.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,819.79 : 19,071.83 = 7,852.47 : x
2. Step 2: Convert to fraction form
   13,819.79/19,071.83 = 7,852.47/x
3. Step 3: Cross multiply
   13,819.79x = 19,071.83 × 7,852.47
4. Step 4: Simplify right side
   13,819.79x = 149,760,933.66
5. Step 5: Solve for x
   x = 149,760,933.66/13,819.79
6. Step 6: Final answer
   x = 10,836.70