Finding the Fourth Proportional to 2,900.12, 4,348.16 and 925.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900.12 : 4,348.16 = 925.10 : x
2. Step 2: Convert to fraction form
   2,900.12/4,348.16 = 925.10/x
3. Step 3: Cross multiply
   2,900.12x = 4,348.16 × 925.10
4. Step 4: Simplify right side
   2,900.12x = 4,022,456.45
5. Step 5: Solve for x
   x = 4,022,456.45/2,900.12
6. Step 6: Final answer
   x = 1,387.00