Finding the Fourth Proportional to 1,567.50, 2,162.98 and 904.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.50 : 2,162.98 = 904.34 : x
2. Step 2: Convert to fraction form
   1,567.50/2,162.98 = 904.34/x
3. Step 3: Cross multiply
   1,567.50x = 2,162.98 × 904.34
4. Step 4: Simplify right side
   1,567.50x = 1,956,069.33
5. Step 5: Solve for x
   x = 1,956,069.33/1,567.50
6. Step 6: Final answer
   x = 1,247.89