Finding the Fourth Proportional to 1,870.32, 2,806.56 and 1,037.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.32 : 2,806.56 = 1,037.46 : x
2. Step 2: Convert to fraction form
   1,870.32/2,806.56 = 1,037.46/x
3. Step 3: Cross multiply
   1,870.32x = 2,806.56 × 1,037.46
4. Step 4: Simplify right side
   1,870.32x = 2,911,693.74
5. Step 5: Solve for x
   x = 2,911,693.74/1,870.32
6. Step 6: Final answer
   x = 1,556.79