Finding the Fourth Proportional to 1,513.02, 2,269.73 and 1,485.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.02 : 2,269.73 = 1,485.89 : x
2. Step 2: Convert to fraction form
   1,513.02/2,269.73 = 1,485.89/x
3. Step 3: Cross multiply
   1,513.02x = 2,269.73 × 1,485.89
4. Step 4: Simplify right side
   1,513.02x = 3,372,561.48
5. Step 5: Solve for x
   x = 3,372,561.48/1,513.02
6. Step 6: Final answer
   x = 2,229.03