Finding the Fourth Proportional to 9,061.56, 12,503.57 and 5,081.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.56 : 12,503.57 = 5,081.76 : x
2. Step 2: Convert to fraction form
   9,061.56/12,503.57 = 5,081.76/x
3. Step 3: Cross multiply
   9,061.56x = 12,503.57 × 5,081.76
4. Step 4: Simplify right side
   9,061.56x = 63,540,116.47
5. Step 5: Solve for x
   x = 63,540,116.47/9,061.56
6. Step 6: Final answer
   x = 7,012.05