Finding the Fourth Proportional to 58,500.63, 80,730.78 and 31,643.06

Step by Step Solution

1. Step 1: Write the proportion equation
   58,500.63 : 80,730.78 = 31,643.06 : x
2. Step 2: Convert to fraction form
   58,500.63/80,730.78 = 31,643.06/x
3. Step 3: Cross multiply
   58,500.63x = 80,730.78 × 31,643.06
4. Step 4: Simplify right side
   58,500.63x = 2,554,568,393.07
5. Step 5: Solve for x
   x = 2,554,568,393.07/58,500.63
6. Step 6: Final answer
   x = 43,667.37