Finding the Fourth Proportional to 1,146.56, 1,720.82 and 1,137.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.56 : 1,720.82 = 1,137.93 : x
2. Step 2: Convert to fraction form
   1,146.56/1,720.82 = 1,137.93/x
3. Step 3: Cross multiply
   1,146.56x = 1,720.82 × 1,137.93
4. Step 4: Simplify right side
   1,146.56x = 1,958,180.37
5. Step 5: Solve for x
   x = 1,958,180.37/1,146.56
6. Step 6: Final answer
   x = 1,707.87