Finding the Fourth Proportional to 9,120.46, 12,586.06 and 5,141.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,120.46 : 12,586.06 = 5,141.48 : x
2. Step 2: Convert to fraction form
   9,120.46/12,586.06 = 5,141.48/x
3. Step 3: Cross multiply
   9,120.46x = 12,586.06 × 5,141.48
4. Step 4: Simplify right side
   9,120.46x = 64,710,975.77
5. Step 5: Solve for x
   x = 64,710,975.77/9,120.46
6. Step 6: Final answer
   x = 7,095.14