Finding the Fourth Proportional to 2,176.87, 3,262.86 and 942.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.87 : 3,262.86 = 942.43 : x
2. Step 2: Convert to fraction form
   2,176.87/3,262.86 = 942.43/x
3. Step 3: Cross multiply
   2,176.87x = 3,262.86 × 942.43
4. Step 4: Simplify right side
   2,176.87x = 3,075,017.15
5. Step 5: Solve for x
   x = 3,075,017.15/2,176.87
6. Step 6: Final answer
   x = 1,412.59