Finding the Fourth Proportional to 1,935.56, 2,669.86 and 1,543.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,935.56 : 2,669.86 = 1,543.52 : x
2. Step 2: Convert to fraction form
   1,935.56/2,669.86 = 1,543.52/x
3. Step 3: Cross multiply
   1,935.56x = 2,669.86 × 1,543.52
4. Step 4: Simplify right side
   1,935.56x = 4,120,990.91
5. Step 5: Solve for x
   x = 4,120,990.91/1,935.56
6. Step 6: Final answer
   x = 2,129.09