Finding the Fourth Proportional to 1,269.89, 1,903.82 and 538.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269.89 : 1,903.82 = 538.96 : x
2. Step 2: Convert to fraction form
   1,269.89/1,903.82 = 538.96/x
3. Step 3: Cross multiply
   1,269.89x = 1,903.82 × 538.96
4. Step 4: Simplify right side
   1,269.89x = 1,026,075.37
5. Step 5: Solve for x
   x = 1,026,075.37/1,269.89
6. Step 6: Final answer
   x = 808.00