Finding the Fourth Proportional to 1,365.56, 1,884.26 and 775.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.56 : 1,884.26 = 775.98 : x
2. Step 2: Convert to fraction form
   1,365.56/1,884.26 = 775.98/x
3. Step 3: Cross multiply
   1,365.56x = 1,884.26 × 775.98
4. Step 4: Simplify right side
   1,365.56x = 1,462,150.01
5. Step 5: Solve for x
   x = 1,462,150.01/1,365.56
6. Step 6: Final answer
   x = 1,070.73