Finding the Fourth Proportional to 12,762.66, 19,141.83 and 3,526.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.66 : 19,141.83 = 3,526.50 : x
2. Step 2: Convert to fraction form
   12,762.66/19,141.83 = 3,526.50/x
3. Step 3: Cross multiply
   12,762.66x = 19,141.83 × 3,526.50
4. Step 4: Simplify right side
   12,762.66x = 67,503,663.50
5. Step 5: Solve for x
   x = 67,503,663.50/12,762.66
6. Step 6: Final answer
   x = 5,289.15