Finding the Fourth Proportional to 1,543.88, 2,303.96 and 1,379.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543.88 : 2,303.96 = 1,379.86 : x
2. Step 2: Convert to fraction form
   1,543.88/2,303.96 = 1,379.86/x
3. Step 3: Cross multiply
   1,543.88x = 2,303.96 × 1,379.86
4. Step 4: Simplify right side
   1,543.88x = 3,179,129.59
5. Step 5: Solve for x
   x = 3,179,129.59/1,543.88
6. Step 6: Final answer
   x = 2,059.18