Finding the Fourth Proportional to 9,060.86, 12,503.78 and 5,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,060.86 : 12,503.78 = 5,081.88 : x
2. Step 2: Convert to fraction form
   9,060.86/12,503.78 = 5,081.88/x
3. Step 3: Cross multiply
   9,060.86x = 12,503.78 × 5,081.88
4. Step 4: Simplify right side
   9,060.86x = 63,542,709.51
5. Step 5: Solve for x
   x = 63,542,709.51/9,060.86
6. Step 6: Final answer
   x = 7,012.88