Finding the Fourth Proportional to 2,290.86, 3,164.00 and 1,543.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.86 : 3,164.00 = 1,543.52 : x
2. Step 2: Convert to fraction form
   2,290.86/3,164.00 = 1,543.52/x
3. Step 3: Cross multiply
   2,290.86x = 3,164.00 × 1,543.52
4. Step 4: Simplify right side
   2,290.86x = 4,883,697.47
5. Step 5: Solve for x
   x = 4,883,697.47/2,290.86
6. Step 6: Final answer
   x = 2,131.82