Finding the Fourth Proportional to 43,476.83, 65,224.61 and 13,490.48

Step by Step Solution

1. Step 1: Write the proportion equation
   43,476.83 : 65,224.61 = 13,490.48 : x
2. Step 2: Convert to fraction form
   43,476.83/65,224.61 = 13,490.48/x
3. Step 3: Cross multiply
   43,476.83x = 65,224.61 × 13,490.48
4. Step 4: Simplify right side
   43,476.83x = 879,910,903.14
5. Step 5: Solve for x
   x = 879,910,903.14/43,476.83
6. Step 6: Final answer
   x = 20,238.62