Finding the Fourth Proportional to 1,362.34, 1,880.37 and 838.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.34 : 1,880.37 = 838.07 : x
2. Step 2: Convert to fraction form
   1,362.34/1,880.37 = 838.07/x
3. Step 3: Cross multiply
   1,362.34x = 1,880.37 × 838.07
4. Step 4: Simplify right side
   1,362.34x = 1,575,868.09
5. Step 5: Solve for x
   x = 1,575,868.09/1,362.34
6. Step 6: Final answer
   x = 1,156.74