Finding the Fourth Proportional to 43,900.01, 65,826.42 and 13,908.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,900.01 : 65,826.42 = 13,908.75 : x
2. Step 2: Convert to fraction form
   43,900.01/65,826.42 = 13,908.75/x
3. Step 3: Cross multiply
   43,900.01x = 65,826.42 × 13,908.75
4. Step 4: Simplify right side
   43,900.01x = 915,563,219.18
5. Step 5: Solve for x
   x = 915,563,219.18/43,900.01
6. Step 6: Final answer
   x = 20,855.65