Finding the Fourth Proportional to 1,400.41, 1,932.56 and 779.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.41 : 1,932.56 = 779.41 : x
2. Step 2: Convert to fraction form
   1,400.41/1,932.56 = 779.41/x
3. Step 3: Cross multiply
   1,400.41x = 1,932.56 × 779.41
4. Step 4: Simplify right side
   1,400.41x = 1,506,256.59
5. Step 5: Solve for x
   x = 1,506,256.59/1,400.41
6. Step 6: Final answer
   x = 1,075.58