Finding the Fourth Proportional to 1,837.32, 2,751.12 and 1,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837.32 : 2,751.12 = 1,056.72 : x
2. Step 2: Convert to fraction form
   1,837.32/2,751.12 = 1,056.72/x
3. Step 3: Cross multiply
   1,837.32x = 2,751.12 × 1,056.72
4. Step 4: Simplify right side
   1,837.32x = 2,907,163.53
5. Step 5: Solve for x
   x = 2,907,163.53/1,837.32
6. Step 6: Final answer
   x = 1,582.28