Finding the Fourth Proportional to 1,089.82, 1,503.93 and 592.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089.82 : 1,503.93 = 592.46 : x
2. Step 2: Convert to fraction form
   1,089.82/1,503.93 = 592.46/x
3. Step 3: Cross multiply
   1,089.82x = 1,503.93 × 592.46
4. Step 4: Simplify right side
   1,089.82x = 891,018.37
5. Step 5: Solve for x
   x = 891,018.37/1,089.82
6. Step 6: Final answer
   x = 817.58