Finding the Fourth Proportional to 1,353.22, 1,867.42 and 763.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.22 : 1,867.42 = 763.94 : x
2. Step 2: Convert to fraction form
   1,353.22/1,867.42 = 763.94/x
3. Step 3: Cross multiply
   1,353.22x = 1,867.42 × 763.94
4. Step 4: Simplify right side
   1,353.22x = 1,426,602.46
5. Step 5: Solve for x
   x = 1,426,602.46/1,353.22
6. Step 6: Final answer
   x = 1,054.23