Finding the Fourth Proportional to 25,443.83, 35,139.95 and 19,845.11

Step by Step Solution

1. Step 1: Write the proportion equation
   25,443.83 : 35,139.95 = 19,845.11 : x
2. Step 2: Convert to fraction form
   25,443.83/35,139.95 = 19,845.11/x
3. Step 3: Cross multiply
   25,443.83x = 35,139.95 × 19,845.11
4. Step 4: Simplify right side
   25,443.83x = 697,355,898.22
5. Step 5: Solve for x
   x = 697,355,898.22/25,443.83
6. Step 6: Final answer
   x = 27,407.67