Finding the Fourth Proportional to 1,567.42, 2,162.82 and 904.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.42 : 2,162.82 = 904.03 : x
2. Step 2: Convert to fraction form
   1,567.42/2,162.82 = 904.03/x
3. Step 3: Cross multiply
   1,567.42x = 2,162.82 × 904.03
4. Step 4: Simplify right side
   1,567.42x = 1,955,254.16
5. Step 5: Solve for x
   x = 1,955,254.16/1,567.42
6. Step 6: Final answer
   x = 1,247.43