Finding the Fourth Proportional to 8,764.74, 12,091.89 and 5,401.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,764.74 : 12,091.89 = 5,401.70 : x
2. Step 2: Convert to fraction form
   8,764.74/12,091.89 = 5,401.70/x
3. Step 3: Cross multiply
   8,764.74x = 12,091.89 × 5,401.70
4. Step 4: Simplify right side
   8,764.74x = 65,316,735.20
5. Step 5: Solve for x
   x = 65,316,735.20/8,764.74
6. Step 6: Final answer
   x = 7,452.22