Finding the Fourth Proportional to 2,621.35, 3,930.76 and 1,526.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.35 : 3,930.76 = 1,526.05 : x
2. Step 2: Convert to fraction form
   2,621.35/3,930.76 = 1,526.05/x
3. Step 3: Cross multiply
   2,621.35x = 3,930.76 × 1,526.05
4. Step 4: Simplify right side
   2,621.35x = 5,998,536.30
5. Step 5: Solve for x
   x = 5,998,536.30/2,621.35
6. Step 6: Final answer
   x = 2,288.34