Finding the Fourth Proportional to 1,763.82, 2,642.94 and 1,415.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.82 : 2,642.94 = 1,415.34 : x
2. Step 2: Convert to fraction form
   1,763.82/2,642.94 = 1,415.34/x
3. Step 3: Cross multiply
   1,763.82x = 2,642.94 × 1,415.34
4. Step 4: Simplify right side
   1,763.82x = 3,740,658.70
5. Step 5: Solve for x
   x = 3,740,658.70/1,763.82
6. Step 6: Final answer
   x = 2,120.77