Finding the Fourth Proportional to 10,772.84, 14,893.78 and 9,460.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,772.84 : 14,893.78 = 9,460.20 : x
2. Step 2: Convert to fraction form
   10,772.84/14,893.78 = 9,460.20/x
3. Step 3: Cross multiply
   10,772.84x = 14,893.78 × 9,460.20
4. Step 4: Simplify right side
   10,772.84x = 140,898,137.56
5. Step 5: Solve for x
   x = 140,898,137.56/10,772.84
6. Step 6: Final answer
   x = 13,079.02