Finding the Fourth Proportional to 1,038.52, 1,555.35 and 605.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038.52 : 1,555.35 = 605.98 : x
2. Step 2: Convert to fraction form
   1,038.52/1,555.35 = 605.98/x
3. Step 3: Cross multiply
   1,038.52x = 1,555.35 × 605.98
4. Step 4: Simplify right side
   1,038.52x = 942,514.07
5. Step 5: Solve for x
   x = 942,514.07/1,038.52
6. Step 6: Final answer
   x = 907.55