Finding the Fourth Proportional to 2,606.61, 3,907.28 and 962.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.61 : 3,907.28 = 962.01 : x
2. Step 2: Convert to fraction form
   2,606.61/3,907.28 = 962.01/x
3. Step 3: Cross multiply
   2,606.61x = 3,907.28 × 962.01
4. Step 4: Simplify right side
   2,606.61x = 3,758,822.90
5. Step 5: Solve for x
   x = 3,758,822.90/2,606.61
6. Step 6: Final answer
   x = 1,442.04