Finding the Fourth Proportional to 1,486.26, 2,051.72 and 1,061.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,486.26 : 2,051.72 = 1,061.21 : x
2. Step 2: Convert to fraction form
   1,486.26/2,051.72 = 1,061.21/x
3. Step 3: Cross multiply
   1,486.26x = 2,051.72 × 1,061.21
4. Step 4: Simplify right side
   1,486.26x = 2,177,290.22
5. Step 5: Solve for x
   x = 2,177,290.22/1,486.26
6. Step 6: Final answer
   x = 1,464.95