Finding the Fourth Proportional to 1,475.58, 2,036.32 and 812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475.58 : 2,036.32 = 812.50 : x
2. Step 2: Convert to fraction form
   1,475.58/2,036.32 = 812.50/x
3. Step 3: Cross multiply
   1,475.58x = 2,036.32 × 812.50
4. Step 4: Simplify right side
   1,475.58x = 1,654,495.76
5. Step 5: Solve for x
   x = 1,654,495.76/1,475.58
6. Step 6: Final answer
   x = 1,121.25