Finding the Fourth Proportional to 1,112.55, 1,669.82 and 592.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.55 : 1,669.82 = 592.98 : x
2. Step 2: Convert to fraction form
   1,112.55/1,669.82 = 592.98/x
3. Step 3: Cross multiply
   1,112.55x = 1,669.82 × 592.98
4. Step 4: Simplify right side
   1,112.55x = 990,166.90
5. Step 5: Solve for x
   x = 990,166.90/1,112.55
6. Step 6: Final answer
   x = 890.00