Finding the Fourth Proportional to 9,276.78, 12,801.93 and 5,085

Step by Step Solution

1. Step 1: Write the proportion equation
   9,276.78 : 12,801.93 = 5,085 : x
2. Step 2: Convert to fraction form
   9,276.78/12,801.93 = 5,085/x
3. Step 3: Cross multiply
   9,276.78x = 12,801.93 × 5,085
4. Step 4: Simplify right side
   9,276.78x = 65,097,814.05
5. Step 5: Solve for x
   x = 65,097,814.05/9,276.78
6. Step 6: Final answer
   x = 7,017.29