Finding the Fourth Proportional to 1,547.42, 2,134.25 and 1,075.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.42 : 2,134.25 = 1,075.31 : x
2. Step 2: Convert to fraction form
   1,547.42/2,134.25 = 1,075.31/x
3. Step 3: Cross multiply
   1,547.42x = 2,134.25 × 1,075.31
4. Step 4: Simplify right side
   1,547.42x = 2,294,976.36
5. Step 5: Solve for x
   x = 2,294,976.36/1,547.42
6. Step 6: Final answer
   x = 1,483.10