Finding the Fourth Proportional to 1,498.03, 2,245.98 and 572.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.03 : 2,245.98 = 572.81 : x
2. Step 2: Convert to fraction form
   1,498.03/2,245.98 = 572.81/x
3. Step 3: Cross multiply
   1,498.03x = 2,245.98 × 572.81
4. Step 4: Simplify right side
   1,498.03x = 1,286,505.71
5. Step 5: Solve for x
   x = 1,286,505.71/1,498.03
6. Step 6: Final answer
   x = 858.80