Finding the Fourth Proportional to 58,496.94, 80,726.00 and 31,639.64

Step by Step Solution

1. Step 1: Write the proportion equation
   58,496.94 : 80,726.00 = 31,639.64 : x
2. Step 2: Convert to fraction form
   58,496.94/80,726.00 = 31,639.64/x
3. Step 3: Cross multiply
   58,496.94x = 80,726.00 × 31,639.64
4. Step 4: Simplify right side
   58,496.94x = 2,554,141,016.81
5. Step 5: Solve for x
   x = 2,554,141,016.81/58,496.94
6. Step 6: Final answer
   x = 43,662.81