Finding the Fourth Proportional to 3,538.82, 5,306.43 and 1,345.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.82 : 5,306.43 = 1,345.88 : x
2. Step 2: Convert to fraction form
   3,538.82/5,306.43 = 1,345.88/x
3. Step 3: Cross multiply
   3,538.82x = 5,306.43 × 1,345.88
4. Step 4: Simplify right side
   3,538.82x = 7,141,818.01
5. Step 5: Solve for x
   x = 7,141,818.01/3,538.82
6. Step 6: Final answer
   x = 2,018.14