Finding the Fourth Proportional to 13,141.46, 18,132.96 and 7,834.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,141.46 : 18,132.96 = 7,834.34 : x
2. Step 2: Convert to fraction form
   13,141.46/18,132.96 = 7,834.34/x
3. Step 3: Cross multiply
   13,141.46x = 18,132.96 × 7,834.34
4. Step 4: Simplify right side
   13,141.46x = 142,059,773.85
5. Step 5: Solve for x
   x = 142,059,773.85/13,141.46
6. Step 6: Final answer
   x = 10,810.04