Finding the Fourth Proportional to 58,477.98, 80,699.24 and 31,620.54

Step by Step Solution

1. Step 1: Write the proportion equation
   58,477.98 : 80,699.24 = 31,620.54 : x
2. Step 2: Convert to fraction form
   58,477.98/80,699.24 = 31,620.54/x
3. Step 3: Cross multiply
   58,477.98x = 80,699.24 × 31,620.54
4. Step 4: Simplify right side
   58,477.98x = 2,551,753,546.39
5. Step 5: Solve for x
   x = 2,551,753,546.39/58,477.98
6. Step 6: Final answer
   x = 43,636.14