Finding the Fourth Proportional to 1,740.82, 2,611.39 and 700.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.82 : 2,611.39 = 700.78 : x
2. Step 2: Convert to fraction form
   1,740.82/2,611.39 = 700.78/x
3. Step 3: Cross multiply
   1,740.82x = 2,611.39 × 700.78
4. Step 4: Simplify right side
   1,740.82x = 1,830,009.88
5. Step 5: Solve for x
   x = 1,830,009.88/1,740.82
6. Step 6: Final answer
   x = 1,051.23