Finding the Fourth Proportional to 1,353.63, 1,868.00 and 764.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.63 : 1,868.00 = 764.13 : x
2. Step 2: Convert to fraction form
   1,353.63/1,868.00 = 764.13/x
3. Step 3: Cross multiply
   1,353.63x = 1,868.00 × 764.13
4. Step 4: Simplify right side
   1,353.63x = 1,427,391.02
5. Step 5: Solve for x
   x = 1,427,391.02/1,353.63
6. Step 6: Final answer
   x = 1,054.49