Finding the Fourth Proportional to 2,526.79, 3,790.59 and 1,066.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.79 : 3,790.59 = 1,066.16 : x
2. Step 2: Convert to fraction form
   2,526.79/3,790.59 = 1,066.16/x
3. Step 3: Cross multiply
   2,526.79x = 3,790.59 × 1,066.16
4. Step 4: Simplify right side
   2,526.79x = 4,041,368.14
5. Step 5: Solve for x
   x = 4,041,368.14/2,526.79
6. Step 6: Final answer
   x = 1,599.41