Finding the Fourth Proportional to 2,176.89, 3,262.91 and 942.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.89 : 3,262.91 = 942.45 : x
2. Step 2: Convert to fraction form
   2,176.89/3,262.91 = 942.45/x
3. Step 3: Cross multiply
   2,176.89x = 3,262.91 × 942.45
4. Step 4: Simplify right side
   2,176.89x = 3,075,124.82
5. Step 5: Solve for x
   x = 3,075,124.82/2,176.89
6. Step 6: Final answer
   x = 1,412.62