Finding the Fourth Proportional to 53,453.37, 80,124.69 and 43,994

Step by Step Solution

1. Step 1: Write the proportion equation
   53,453.37 : 80,124.69 = 43,994 : x
2. Step 2: Convert to fraction form
   53,453.37/80,124.69 = 43,994/x
3. Step 3: Cross multiply
   53,453.37x = 80,124.69 × 43,994
4. Step 4: Simplify right side
   53,453.37x = 3,525,005,611.86
5. Step 5: Solve for x
   x = 3,525,005,611.86/53,453.37
6. Step 6: Final answer
   x = 65,945.43