Finding the Fourth Proportional to 1,475.60, 2,036.25 and 812.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475.60 : 2,036.25 = 812.48 : x
2. Step 2: Convert to fraction form
   1,475.60/2,036.25 = 812.48/x
3. Step 3: Cross multiply
   1,475.60x = 2,036.25 × 812.48
4. Step 4: Simplify right side
   1,475.60x = 1,654,402.22
5. Step 5: Solve for x
   x = 1,654,402.22/1,475.60
6. Step 6: Final answer
   x = 1,121.18