Finding the Fourth Proportional to 906,700.03, 1,251,196.61 and 498,736

Step by Step Solution

1. Step 1: Write the proportion equation
   906,700.03 : 1,251,196.61 = 498,736 : x
2. Step 2: Convert to fraction form
   906,700.03/1,251,196.61 = 498,736/x
3. Step 3: Cross multiply
   906,700.03x = 1,251,196.61 × 498,736
4. Step 4: Simplify right side
   906,700.03x = 624,016,792,484.96
5. Step 5: Solve for x
   x = 624,016,792,484.96/906,700.03
6. Step 6: Final answer
   x = 688,228.49