Finding the Fourth Proportional to 1,369.37, 2,050.72 and 782.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.37 : 2,050.72 = 782.93 : x
2. Step 2: Convert to fraction form
   1,369.37/2,050.72 = 782.93/x
3. Step 3: Cross multiply
   1,369.37x = 2,050.72 × 782.93
4. Step 4: Simplify right side
   1,369.37x = 1,605,573.38
5. Step 5: Solve for x
   x = 1,605,573.38/1,369.37
6. Step 6: Final answer
   x = 1,172.49