Finding the Fourth Proportional to 43,300.71, 64,952.82 and 13,717.89

Step by Step Solution

1. Step 1: Write the proportion equation
   43,300.71 : 64,952.82 = 13,717.89 : x
2. Step 2: Convert to fraction form
   43,300.71/64,952.82 = 13,717.89/x
3. Step 3: Cross multiply
   43,300.71x = 64,952.82 × 13,717.89
4. Step 4: Simplify right side
   43,300.71x = 891,015,639.95
5. Step 5: Solve for x
   x = 891,015,639.95/43,300.71
6. Step 6: Final answer
   x = 20,577.39