Finding the Fourth Proportional to 2,845.30, 3,925.12 and 1,901.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845.30 : 3,925.12 = 1,901.32 : x
2. Step 2: Convert to fraction form
   2,845.30/3,925.12 = 1,901.32/x
3. Step 3: Cross multiply
   2,845.30x = 3,925.12 × 1,901.32
4. Step 4: Simplify right side
   2,845.30x = 7,462,909.37
5. Step 5: Solve for x
   x = 7,462,909.37/2,845.30
6. Step 6: Final answer
   x = 2,622.89