Finding the Fourth Proportional to 43,498.71, 65,237.42 and 13,910.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,498.71 : 65,237.42 = 13,910.42 : x
2. Step 2: Convert to fraction form
   43,498.71/65,237.42 = 13,910.42/x
3. Step 3: Cross multiply
   43,498.71x = 65,237.42 × 13,910.42
4. Step 4: Simplify right side
   43,498.71x = 907,479,516.18
5. Step 5: Solve for x
   x = 907,479,516.18/43,498.71
6. Step 6: Final answer
   x = 20,862.22