Finding the Fourth Proportional to 7,156.61, 10,734.78 and 1,962.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,156.61 : 10,734.78 = 1,962.48 : x
2. Step 2: Convert to fraction form
   7,156.61/10,734.78 = 1,962.48/x
3. Step 3: Cross multiply
   7,156.61x = 10,734.78 × 1,962.48
4. Step 4: Simplify right side
   7,156.61x = 21,066,791.05
5. Step 5: Solve for x
   x = 21,066,791.05/7,156.61
6. Step 6: Final answer
   x = 2,943.68