Finding the Fourth Proportional to 1,053.91, 1,580.33 and 592.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.91 : 1,580.33 = 592.01 : x
2. Step 2: Convert to fraction form
   1,053.91/1,580.33 = 592.01/x
3. Step 3: Cross multiply
   1,053.91x = 1,580.33 × 592.01
4. Step 4: Simplify right side
   1,053.91x = 935,560.30
5. Step 5: Solve for x
   x = 935,560.30/1,053.91
6. Step 6: Final answer
   x = 887.71