Finding the Fourth Proportional to 1,003.24, 1,507.69 and 592.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.24 : 1,507.69 = 592.57 : x
2. Step 2: Convert to fraction form
   1,003.24/1,507.69 = 592.57/x
3. Step 3: Cross multiply
   1,003.24x = 1,507.69 × 592.57
4. Step 4: Simplify right side
   1,003.24x = 893,411.86
5. Step 5: Solve for x
   x = 893,411.86/1,003.24
6. Step 6: Final answer
   x = 890.53