Finding the Fourth Proportional to 1,942.67, 2,680.89 and 1,156.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.67 : 2,680.89 = 1,156.70 : x
2. Step 2: Convert to fraction form
   1,942.67/2,680.89 = 1,156.70/x
3. Step 3: Cross multiply
   1,942.67x = 2,680.89 × 1,156.70
4. Step 4: Simplify right side
   1,942.67x = 3,100,985.46
5. Step 5: Solve for x
   x = 3,100,985.46/1,942.67
6. Step 6: Final answer
   x = 1,596.25