Finding the Fourth Proportional to 1,719.87, 2,577.72 and 793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.87 : 2,577.72 = 793.50 : x
2. Step 2: Convert to fraction form
   1,719.87/2,577.72 = 793.50/x
3. Step 3: Cross multiply
   1,719.87x = 2,577.72 × 793.50
4. Step 4: Simplify right side
   1,719.87x = 2,045,420.82
5. Step 5: Solve for x
   x = 2,045,420.82/1,719.87
6. Step 6: Final answer
   x = 1,189.29