Finding the Fourth Proportional to 43,476.82, 65,224.58 and 13,490.43

Step by Step Solution

1. Step 1: Write the proportion equation
   43,476.82 : 65,224.58 = 13,490.43 : x
2. Step 2: Convert to fraction form
   43,476.82/65,224.58 = 13,490.43/x
3. Step 3: Cross multiply
   43,476.82x = 65,224.58 × 13,490.43
4. Step 4: Simplify right side
   43,476.82x = 879,907,685.61
5. Step 5: Solve for x
   x = 879,907,685.61/43,476.82
6. Step 6: Final answer
   x = 20,238.55