Finding the Fourth Proportional to 1,845.72, 2,768.72 and 750.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,845.72 : 2,768.72 = 750.12 : x
2. Step 2: Convert to fraction form
   1,845.72/2,768.72 = 750.12/x
3. Step 3: Cross multiply
   1,845.72x = 2,768.72 × 750.12
4. Step 4: Simplify right side
   1,845.72x = 2,076,872.25
5. Step 5: Solve for x
   x = 2,076,872.25/1,845.72
6. Step 6: Final answer
   x = 1,125.24