Finding the Fourth Proportional to 9,278.01, 12,803.82 and 5,085.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,278.01 : 12,803.82 = 5,085.99 : x
2. Step 2: Convert to fraction form
   9,278.01/12,803.82 = 5,085.99/x
3. Step 3: Cross multiply
   9,278.01x = 12,803.82 × 5,085.99
4. Step 4: Simplify right side
   9,278.01x = 65,120,100.48
5. Step 5: Solve for x
   x = 65,120,100.48/9,278.01
6. Step 6: Final answer
   x = 7,018.76