Finding the Fourth Proportional to 8,061.39, 12,060.50 and 7,126.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.39 : 12,060.50 = 7,126.38 : x
2. Step 2: Convert to fraction form
   8,061.39/12,060.50 = 7,126.38/x
3. Step 3: Cross multiply
   8,061.39x = 12,060.50 × 7,126.38
4. Step 4: Simplify right side
   8,061.39x = 85,947,670.36
5. Step 5: Solve for x
   x = 85,947,670.36/8,061.39
6. Step 6: Final answer
   x = 10,661.64