Finding the Fourth Proportional to 1,003.59, 1,503.34 and 591.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.59 : 1,503.34 = 591.48 : x
2. Step 2: Convert to fraction form
   1,003.59/1,503.34 = 591.48/x
3. Step 3: Cross multiply
   1,003.59x = 1,503.34 × 591.48
4. Step 4: Simplify right side
   1,003.59x = 889,194.06
5. Step 5: Solve for x
   x = 889,194.06/1,003.59
6. Step 6: Final answer
   x = 886.01