Finding the Fourth Proportional to 1,893.31, 2,838.34 and 738.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,893.31 : 2,838.34 = 738.25 : x
2. Step 2: Convert to fraction form
   1,893.31/2,838.34 = 738.25/x
3. Step 3: Cross multiply
   1,893.31x = 2,838.34 × 738.25
4. Step 4: Simplify right side
   1,893.31x = 2,095,404.51
5. Step 5: Solve for x
   x = 2,095,404.51/1,893.31
6. Step 6: Final answer
   x = 1,106.74