Finding the Fourth Proportional to 10,279.78, 14,187.35 and 5,803.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,279.78 : 14,187.35 = 5,803.72 : x
2. Step 2: Convert to fraction form
   10,279.78/14,187.35 = 5,803.72/x
3. Step 3: Cross multiply
   10,279.78x = 14,187.35 × 5,803.72
4. Step 4: Simplify right side
   10,279.78x = 82,339,385.98
5. Step 5: Solve for x
   x = 82,339,385.98/10,279.78
6. Step 6: Final answer
   x = 8,009.84