Finding the Fourth Proportional to 1,357.08, 1,870.73 and 1,061.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.08 : 1,870.73 = 1,061.84 : x
2. Step 2: Convert to fraction form
   1,357.08/1,870.73 = 1,061.84/x
3. Step 3: Cross multiply
   1,357.08x = 1,870.73 × 1,061.84
4. Step 4: Simplify right side
   1,357.08x = 1,986,418.25
5. Step 5: Solve for x
   x = 1,986,418.25/1,357.08
6. Step 6: Final answer
   x = 1,463.74