Finding the Fourth Proportional to 2,061.72, 3,089.70 and 1,137.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.72 : 3,089.70 = 1,137.72 : x
2. Step 2: Convert to fraction form
   2,061.72/3,089.70 = 1,137.72/x
3. Step 3: Cross multiply
   2,061.72x = 3,089.70 × 1,137.72
4. Step 4: Simplify right side
   2,061.72x = 3,515,213.48
5. Step 5: Solve for x
   x = 3,515,213.48/2,061.72
6. Step 6: Final answer
   x = 1,704.99