Finding the Fourth Proportional to 58,504.78, 80,736.24 and 31,647.21

Step by Step Solution

1. Step 1: Write the proportion equation
   58,504.78 : 80,736.24 = 31,647.21 : x
2. Step 2: Convert to fraction form
   58,504.78/80,736.24 = 31,647.21/x
3. Step 3: Cross multiply
   58,504.78x = 80,736.24 × 31,647.21
4. Step 4: Simplify right side
   58,504.78x = 2,555,076,557.81
5. Step 5: Solve for x
   x = 2,555,076,557.81/58,504.78
6. Step 6: Final answer
   x = 43,672.95