Finding the Fourth Proportional to 13,829.38, 19,084.52 and 7,861.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,829.38 : 19,084.52 = 7,861.05 : x
2. Step 2: Convert to fraction form
   13,829.38/19,084.52 = 7,861.05/x
3. Step 3: Cross multiply
   13,829.38x = 19,084.52 × 7,861.05
4. Step 4: Simplify right side
   13,829.38x = 150,024,385.60
5. Step 5: Solve for x
   x = 150,024,385.60/13,829.38
6. Step 6: Final answer
   x = 10,848.24