Finding the Fourth Proportional to 1,290.06, 1,934.82 and 365.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290.06 : 1,934.82 = 365.37 : x
2. Step 2: Convert to fraction form
   1,290.06/1,934.82 = 365.37/x
3. Step 3: Cross multiply
   1,290.06x = 1,934.82 × 365.37
4. Step 4: Simplify right side
   1,290.06x = 706,925.18
5. Step 5: Solve for x
   x = 706,925.18/1,290.06
6. Step 6: Final answer
   x = 547.98