Finding the Fourth Proportional to 10,141.14, 15,211.69 and 7,385.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,141.14 : 15,211.69 = 7,385.34 : x
2. Step 2: Convert to fraction form
   10,141.14/15,211.69 = 7,385.34/x
3. Step 3: Cross multiply
   10,141.14x = 15,211.69 × 7,385.34
4. Step 4: Simplify right side
   10,141.14x = 112,343,502.62
5. Step 5: Solve for x
   x = 112,343,502.62/10,141.14
6. Step 6: Final answer
   x = 11,078.00