Finding the Fourth Proportional to 5,758.58, 8,639.69 and 2,060.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,758.58 : 8,639.69 = 2,060.72 : x
2. Step 2: Convert to fraction form
   5,758.58/8,639.69 = 2,060.72/x
3. Step 3: Cross multiply
   5,758.58x = 8,639.69 × 2,060.72
4. Step 4: Simplify right side
   5,758.58x = 17,803,981.98
5. Step 5: Solve for x
   x = 17,803,981.98/5,758.58
6. Step 6: Final answer
   x = 3,091.73