Finding the Fourth Proportional to 2,003.82, 3,005.79 and 906.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.82 : 3,005.79 = 906.90 : x
2. Step 2: Convert to fraction form
   2,003.82/3,005.79 = 906.90/x
3. Step 3: Cross multiply
   2,003.82x = 3,005.79 × 906.90
4. Step 4: Simplify right side
   2,003.82x = 2,725,950.95
5. Step 5: Solve for x
   x = 2,725,950.95/2,003.82
6. Step 6: Final answer
   x = 1,360.38