Finding the Fourth Proportional to 2,593.56, 3,888.17 and 1,131.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,593.56 : 3,888.17 = 1,131.60 : x
2. Step 2: Convert to fraction form
   2,593.56/3,888.17 = 1,131.60/x
3. Step 3: Cross multiply
   2,593.56x = 3,888.17 × 1,131.60
4. Step 4: Simplify right side
   2,593.56x = 4,399,847.51
5. Step 5: Solve for x
   x = 4,399,847.51/2,593.56
6. Step 6: Final answer
   x = 1,696.45