Finding the Fourth Proportional to 1,011.48, 1,509.33 and 902.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011.48 : 1,509.33 = 902.52 : x
2. Step 2: Convert to fraction form
   1,011.48/1,509.33 = 902.52/x
3. Step 3: Cross multiply
   1,011.48x = 1,509.33 × 902.52
4. Step 4: Simplify right side
   1,011.48x = 1,362,200.51
5. Step 5: Solve for x
   x = 1,362,200.51/1,011.48
6. Step 6: Final answer
   x = 1,346.74