Finding the Fourth Proportional to 13,784.05, 19,025.46 and 7,819.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,784.05 : 19,025.46 = 7,819.30 : x
2. Step 2: Convert to fraction form
   13,784.05/19,025.46 = 7,819.30/x
3. Step 3: Cross multiply
   13,784.05x = 19,025.46 × 7,819.30
4. Step 4: Simplify right side
   13,784.05x = 148,765,779.38
5. Step 5: Solve for x
   x = 148,765,779.38/13,784.05
6. Step 6: Final answer
   x = 10,792.60