Finding the Fourth Proportional to 2,100.56, 2,898.78 and 1,156.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.56 : 2,898.78 = 1,156.33 : x
2. Step 2: Convert to fraction form
   2,100.56/2,898.78 = 1,156.33/x
3. Step 3: Cross multiply
   2,100.56x = 2,898.78 × 1,156.33
4. Step 4: Simplify right side
   2,100.56x = 3,351,946.28
5. Step 5: Solve for x
   x = 3,351,946.28/2,100.56
6. Step 6: Final answer
   x = 1,595.74