Finding the Fourth Proportional to 1,347.35, 1,859.22 and 904.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.35 : 1,859.22 = 904.46 : x
2. Step 2: Convert to fraction form
   1,347.35/1,859.22 = 904.46/x
3. Step 3: Cross multiply
   1,347.35x = 1,859.22 × 904.46
4. Step 4: Simplify right side
   1,347.35x = 1,681,580.83
5. Step 5: Solve for x
   x = 1,681,580.83/1,347.35
6. Step 6: Final answer
   x = 1,248.07