Finding the Fourth Proportional to 1,498.19, 2,067.15 and 900.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.19 : 2,067.15 = 900.48 : x
2. Step 2: Convert to fraction form
   1,498.19/2,067.15 = 900.48/x
3. Step 3: Cross multiply
   1,498.19x = 2,067.15 × 900.48
4. Step 4: Simplify right side
   1,498.19x = 1,861,427.23
5. Step 5: Solve for x
   x = 1,861,427.23/1,498.19
6. Step 6: Final answer
   x = 1,242.45