Finding the Fourth Proportional to 1,100.80, 1,652.91 and 948.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.80 : 1,652.91 = 948.43 : x
2. Step 2: Convert to fraction form
   1,100.80/1,652.91 = 948.43/x
3. Step 3: Cross multiply
   1,100.80x = 1,652.91 × 948.43
4. Step 4: Simplify right side
   1,100.80x = 1,567,669.43
5. Step 5: Solve for x
   x = 1,567,669.43/1,100.80
6. Step 6: Final answer
   x = 1,424.12