Finding the Fourth Proportional to 1,359.21, 1,877.40 and 1,048.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.21 : 1,877.40 = 1,048.25 : x
2. Step 2: Convert to fraction form
   1,359.21/1,877.40 = 1,048.25/x
3. Step 3: Cross multiply
   1,359.21x = 1,877.40 × 1,048.25
4. Step 4: Simplify right side
   1,359.21x = 1,967,975.16
5. Step 5: Solve for x
   x = 1,967,975.16/1,359.21
6. Step 6: Final answer
   x = 1,447.88