Finding the Fourth Proportional to 1,420.86, 1,961.32 and 1,050.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420.86 : 1,961.32 = 1,050.82 : x
2. Step 2: Convert to fraction form
   1,420.86/1,961.32 = 1,050.82/x
3. Step 3: Cross multiply
   1,420.86x = 1,961.32 × 1,050.82
4. Step 4: Simplify right side
   1,420.86x = 2,060,984.48
5. Step 5: Solve for x
   x = 2,060,984.48/1,420.86
6. Step 6: Final answer
   x = 1,450.52