Finding the Fourth Proportional to 1,537.72, 2,119.25 and 1,112.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,537.72 : 2,119.25 = 1,112.22 : x
2. Step 2: Convert to fraction form
   1,537.72/2,119.25 = 1,112.22/x
3. Step 3: Cross multiply
   1,537.72x = 2,119.25 × 1,112.22
4. Step 4: Simplify right side
   1,537.72x = 2,357,075.02
5. Step 5: Solve for x
   x = 2,357,075.02/1,537.72
6. Step 6: Final answer
   x = 1,532.84