Finding the Fourth Proportional to 2,620.52, 3,932.50 and 977.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.52 : 3,932.50 = 977.08 : x
2. Step 2: Convert to fraction form
   2,620.52/3,932.50 = 977.08/x
3. Step 3: Cross multiply
   2,620.52x = 3,932.50 × 977.08
4. Step 4: Simplify right side
   2,620.52x = 3,842,367.10
5. Step 5: Solve for x
   x = 3,842,367.10/2,620.52
6. Step 6: Final answer
   x = 1,466.26