Finding the Fourth Proportional to 58,493.58, 80,721.15 and 31,636.10

Step by Step Solution

1. Step 1: Write the proportion equation
   58,493.58 : 80,721.15 = 31,636.10 : x
2. Step 2: Convert to fraction form
   58,493.58/80,721.15 = 31,636.10/x
3. Step 3: Cross multiply
   58,493.58x = 80,721.15 × 31,636.10
4. Step 4: Simplify right side
   58,493.58x = 2,553,701,969.91
5. Step 5: Solve for x
   x = 2,553,701,969.91/58,493.58
6. Step 6: Final answer
   x = 43,657.82