Finding the Fourth Proportional to 2,620.46, 3,929.34 and 1,526.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.46 : 3,929.34 = 1,526.96 : x
2. Step 2: Convert to fraction form
   2,620.46/3,929.34 = 1,526.96/x
3. Step 3: Cross multiply
   2,620.46x = 3,929.34 × 1,526.96
4. Step 4: Simplify right side
   2,620.46x = 5,999,945.01
5. Step 5: Solve for x
   x = 5,999,945.01/2,620.46
6. Step 6: Final answer
   x = 2,289.65