Finding the Fourth Proportional to 9,279.45, 12,803.83 and 5,501.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.45 : 12,803.83 = 5,501.91 : x
2. Step 2: Convert to fraction form
   9,279.45/12,803.83 = 5,501.91/x
3. Step 3: Cross multiply
   9,279.45x = 12,803.83 × 5,501.91
4. Step 4: Simplify right side
   9,279.45x = 70,445,520.32
5. Step 5: Solve for x
   x = 70,445,520.32/9,279.45
6. Step 6: Final answer
   x = 7,591.56