Finding the Fourth Proportional to 43,293.32, 64,949.82 and 13,713

Step by Step Solution

1. Step 1: Write the proportion equation
   43,293.32 : 64,949.82 = 13,713 : x
2. Step 2: Convert to fraction form
   43,293.32/64,949.82 = 13,713/x
3. Step 3: Cross multiply
   43,293.32x = 64,949.82 × 13,713
4. Step 4: Simplify right side
   43,293.32x = 890,656,881.66
5. Step 5: Solve for x
   x = 890,656,881.66/43,293.32
6. Step 6: Final answer
   x = 20,572.62