Finding the Fourth Proportional to 12,276.56, 16,939.32 and 7,801.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,276.56 : 16,939.32 = 7,801.04 : x
2. Step 2: Convert to fraction form
   12,276.56/16,939.32 = 7,801.04/x
3. Step 3: Cross multiply
   12,276.56x = 16,939.32 × 7,801.04
4. Step 4: Simplify right side
   12,276.56x = 132,144,312.89
5. Step 5: Solve for x
   x = 132,144,312.89/12,276.56
6. Step 6: Final answer
   x = 10,763.95