Finding the Fourth Proportional to 8,761.07, 12,094.61 and 5,405.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,761.07 : 12,094.61 = 5,405.73 : x
2. Step 2: Convert to fraction form
   8,761.07/12,094.61 = 5,405.73/x
3. Step 3: Cross multiply
   8,761.07x = 12,094.61 × 5,405.73
4. Step 4: Simplify right side
   8,761.07x = 65,380,172.95
5. Step 5: Solve for x
   x = 65,380,172.95/8,761.07
6. Step 6: Final answer
   x = 7,462.58