Finding the Fourth Proportional to 12,764.22, 19,145.61 and 3,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,764.22 : 19,145.61 = 3,529.50 : x
2. Step 2: Convert to fraction form
   12,764.22/19,145.61 = 3,529.50/x
3. Step 3: Cross multiply
   12,764.22x = 19,145.61 × 3,529.50
4. Step 4: Simplify right side
   12,764.22x = 67,574,430.50
5. Step 5: Solve for x
   x = 67,574,430.50/12,764.22
6. Step 6: Final answer
   x = 5,294.05