Finding the Fourth Proportional to 1,383.86, 2,075.82 and 603.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.86 : 2,075.82 = 603.32 : x
2. Step 2: Convert to fraction form
   1,383.86/2,075.82 = 603.32/x
3. Step 3: Cross multiply
   1,383.86x = 2,075.82 × 603.32
4. Step 4: Simplify right side
   1,383.86x = 1,252,373.34
5. Step 5: Solve for x
   x = 1,252,373.34/1,383.86
6. Step 6: Final answer
   x = 904.99