Finding the Fourth Proportional to 43,401.86, 65,110.90 and 19,711.06

Step by Step Solution

1. Step 1: Write the proportion equation
   43,401.86 : 65,110.90 = 19,711.06 : x
2. Step 2: Convert to fraction form
   43,401.86/65,110.90 = 19,711.06/x
3. Step 3: Cross multiply
   43,401.86x = 65,110.90 × 19,711.06
4. Step 4: Simplify right side
   43,401.86x = 1,283,404,856.55
5. Step 5: Solve for x
   x = 1,283,404,856.55/43,401.86
6. Step 6: Final answer
   x = 29,570.27