Finding the Fourth Proportional to 2,620.35, 3,932.15 and 976.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.35 : 3,932.15 = 976.93 : x
2. Step 2: Convert to fraction form
   2,620.35/3,932.15 = 976.93/x
3. Step 3: Cross multiply
   2,620.35x = 3,932.15 × 976.93
4. Step 4: Simplify right side
   2,620.35x = 3,841,420.58
5. Step 5: Solve for x
   x = 3,841,420.58/2,620.35
6. Step 6: Final answer
   x = 1,466.00