Finding the Fourth Proportional to 1,124, 1,547.52 and 1,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124 : 1,547.52 = 1,072 : x
2. Step 2: Convert to fraction form
   1,124/1,547.52 = 1,072/x
3. Step 3: Cross multiply
   1,124x = 1,547.52 × 1,072
4. Step 4: Simplify right side
   1,124x = 1,658,941.44
5. Step 5: Solve for x
   x = 1,658,941.44/1,124
6. Step 6: Final answer
   x = 1,475.93