Finding the Fourth Proportional to 8,764.29, 12,094.63 and 5,405.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,764.29 : 12,094.63 = 5,405.76 : x
2. Step 2: Convert to fraction form
   8,764.29/12,094.63 = 5,405.76/x
3. Step 3: Cross multiply
   8,764.29x = 12,094.63 × 5,405.76
4. Step 4: Simplify right side
   8,764.29x = 65,380,667.07
5. Step 5: Solve for x
   x = 65,380,667.07/8,764.29
6. Step 6: Final answer
   x = 7,459.89