Finding the Fourth Proportional to 9,061.34, 12,503.30 and 5,081.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.34 : 12,503.30 = 5,081.81 : x
2. Step 2: Convert to fraction form
   9,061.34/12,503.30 = 5,081.81/x
3. Step 3: Cross multiply
   9,061.34x = 12,503.30 × 5,081.81
4. Step 4: Simplify right side
   9,061.34x = 63,539,307.05
5. Step 5: Solve for x
   x = 63,539,307.05/9,061.34
6. Step 6: Final answer
   x = 7,012.14