Finding the Fourth Proportional to 1,498.95, 2,068.20 and 909.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.95 : 2,068.20 = 909.48 : x
2. Step 2: Convert to fraction form
   1,498.95/2,068.20 = 909.48/x
3. Step 3: Cross multiply
   1,498.95x = 2,068.20 × 909.48
4. Step 4: Simplify right side
   1,498.95x = 1,880,986.54
5. Step 5: Solve for x
   x = 1,880,986.54/1,498.95
6. Step 6: Final answer
   x = 1,254.87