Finding the Fourth Proportional to 53,513.55, 80,322.72 and 44,685.36

Step by Step Solution

1. Step 1: Write the proportion equation
   53,513.55 : 80,322.72 = 44,685.36 : x
2. Step 2: Convert to fraction form
   53,513.55/80,322.72 = 44,685.36/x
3. Step 3: Cross multiply
   53,513.55x = 80,322.72 × 44,685.36
4. Step 4: Simplify right side
   53,513.55x = 3,589,249,659.38
5. Step 5: Solve for x
   x = 3,589,249,659.38/53,513.55
6. Step 6: Final answer
   x = 67,071.79