Finding the Fourth Proportional to 1,498.77, 2,068.29 and 909.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.77 : 2,068.29 = 909.18 : x
2. Step 2: Convert to fraction form
   1,498.77/2,068.29 = 909.18/x
3. Step 3: Cross multiply
   1,498.77x = 2,068.29 × 909.18
4. Step 4: Simplify right side
   1,498.77x = 1,880,447.90
5. Step 5: Solve for x
   x = 1,880,447.90/1,498.77
6. Step 6: Final answer
   x = 1,254.66