Finding the Fourth Proportional to 2,538.83, 3,503.72 and 1,530.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.83 : 3,503.72 = 1,530.86 : x
2. Step 2: Convert to fraction form
   2,538.83/3,503.72 = 1,530.86/x
3. Step 3: Cross multiply
   2,538.83x = 3,503.72 × 1,530.86
4. Step 4: Simplify right side
   2,538.83x = 5,363,704.80
5. Step 5: Solve for x
   x = 5,363,704.80/2,538.83
6. Step 6: Final answer
   x = 2,112.67