Finding the Fourth Proportional to 9,060.68, 12,503.71 and 5,081.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,060.68 : 12,503.71 = 5,081.78 : x
2. Step 2: Convert to fraction form
   9,060.68/12,503.71 = 5,081.78/x
3. Step 3: Cross multiply
   9,060.68x = 12,503.71 × 5,081.78
4. Step 4: Simplify right side
   9,060.68x = 63,541,141.02
5. Step 5: Solve for x
   x = 63,541,141.02/9,060.68
6. Step 6: Final answer
   x = 7,012.84