Finding the Fourth Proportional to 1,558.72, 2,151.40 and 895.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.72 : 2,151.40 = 895.92 : x
2. Step 2: Convert to fraction form
   1,558.72/2,151.40 = 895.92/x
3. Step 3: Cross multiply
   1,558.72x = 2,151.40 × 895.92
4. Step 4: Simplify right side
   1,558.72x = 1,927,482.29
5. Step 5: Solve for x
   x = 1,927,482.29/1,558.72
6. Step 6: Final answer
   x = 1,236.58