Finding the Fourth Proportional to 2,526.31, 3,788.56 and 1,065.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.31 : 3,788.56 = 1,065.58 : x
2. Step 2: Convert to fraction form
   2,526.31/3,788.56 = 1,065.58/x
3. Step 3: Cross multiply
   2,526.31x = 3,788.56 × 1,065.58
4. Step 4: Simplify right side
   2,526.31x = 4,037,013.76
5. Step 5: Solve for x
   x = 4,037,013.76/2,526.31
6. Step 6: Final answer
   x = 1,597.99