Finding the Fourth Proportional to 1,505.95, 2,258.52 and 1,021.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.95 : 2,258.52 = 1,021.98 : x
2. Step 2: Convert to fraction form
   1,505.95/2,258.52 = 1,021.98/x
3. Step 3: Cross multiply
   1,505.95x = 2,258.52 × 1,021.98
4. Step 4: Simplify right side
   1,505.95x = 2,308,162.27
5. Step 5: Solve for x
   x = 2,308,162.27/1,505.95
6. Step 6: Final answer
   x = 1,532.70