Finding the Fourth Proportional to 1,048.86, 1,448.15 and 656.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.86 : 1,448.15 = 656.06 : x
2. Step 2: Convert to fraction form
   1,048.86/1,448.15 = 656.06/x
3. Step 3: Cross multiply
   1,048.86x = 1,448.15 × 656.06
4. Step 4: Simplify right side
   1,048.86x = 950,073.29
5. Step 5: Solve for x
   x = 950,073.29/1,048.86
6. Step 6: Final answer
   x = 905.82