Finding the Fourth Proportional to 2,073.86, 2,858.10 and 1,758.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.86 : 2,858.10 = 1,758.12 : x
2. Step 2: Convert to fraction form
   2,073.86/2,858.10 = 1,758.12/x
3. Step 3: Cross multiply
   2,073.86x = 2,858.10 × 1,758.12
4. Step 4: Simplify right side
   2,073.86x = 5,024,882.77
5. Step 5: Solve for x
   x = 5,024,882.77/2,073.86
6. Step 6: Final answer
   x = 2,422.96