Finding the Fourth Proportional to 1,074.63, 1,482.51 and 779.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.63 : 1,482.51 = 779.37 : x
2. Step 2: Convert to fraction form
   1,074.63/1,482.51 = 779.37/x
3. Step 3: Cross multiply
   1,074.63x = 1,482.51 × 779.37
4. Step 4: Simplify right side
   1,074.63x = 1,155,423.82
5. Step 5: Solve for x
   x = 1,155,423.82/1,074.63
6. Step 6: Final answer
   x = 1,075.18