Finding the Fourth Proportional to 9,264.16, 12,784.58 and 5,072.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,264.16 : 12,784.58 = 5,072.44 : x
2. Step 2: Convert to fraction form
   9,264.16/12,784.58 = 5,072.44/x
3. Step 3: Cross multiply
   9,264.16x = 12,784.58 × 5,072.44
4. Step 4: Simplify right side
   9,264.16x = 64,849,014.98
5. Step 5: Solve for x
   x = 64,849,014.98/9,264.16
6. Step 6: Final answer
   x = 6,999.99