Finding the Fourth Proportional to 1,374.51, 1,896.86 and 785.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.51 : 1,896.86 = 785.03 : x
2. Step 2: Convert to fraction form
   1,374.51/1,896.86 = 785.03/x
3. Step 3: Cross multiply
   1,374.51x = 1,896.86 × 785.03
4. Step 4: Simplify right side
   1,374.51x = 1,489,092.82
5. Step 5: Solve for x
   x = 1,489,092.82/1,374.51
6. Step 6: Final answer
   x = 1,083.36