Finding the Fourth Proportional to 1,797.69, 2,477.69 and 1,543.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,797.69 : 2,477.69 = 1,543.76 : x
2. Step 2: Convert to fraction form
   1,797.69/2,477.69 = 1,543.76/x
3. Step 3: Cross multiply
   1,797.69x = 2,477.69 × 1,543.76
4. Step 4: Simplify right side
   1,797.69x = 3,824,953.69
5. Step 5: Solve for x
   x = 3,824,953.69/1,797.69
6. Step 6: Final answer
   x = 2,127.70