Finding the Fourth Proportional to 1,543.76, 2,303.77 and 1,379.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543.76 : 2,303.77 = 1,379.73 : x
2. Step 2: Convert to fraction form
   1,543.76/2,303.77 = 1,379.73/x
3. Step 3: Cross multiply
   1,543.76x = 2,303.77 × 1,379.73
4. Step 4: Simplify right side
   1,543.76x = 3,178,580.58
5. Step 5: Solve for x
   x = 3,178,580.58/1,543.76
6. Step 6: Final answer
   x = 2,058.99