Finding the Fourth Proportional to 1,089.34, 1,503.28 and 592.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089.34 : 1,503.28 = 592.00 : x
2. Step 2: Convert to fraction form
   1,089.34/1,503.28 = 592.00/x
3. Step 3: Cross multiply
   1,089.34x = 1,503.28 × 592.00
4. Step 4: Simplify right side
   1,089.34x = 889,931.28
5. Step 5: Solve for x
   x = 889,931.28/1,089.34
6. Step 6: Final answer
   x = 816.95