Finding the Fourth Proportional to 1,910.32, 2,636.36 and 1,124.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.32 : 2,636.36 = 1,124.43 : x
2. Step 2: Convert to fraction form
   1,910.32/2,636.36 = 1,124.43/x
3. Step 3: Cross multiply
   1,910.32x = 2,636.36 × 1,124.43
4. Step 4: Simplify right side
   1,910.32x = 2,964,402.27
5. Step 5: Solve for x
   x = 2,964,402.27/1,910.32
6. Step 6: Final answer
   x = 1,551.78