Finding the Fourth Proportional to 58,499.67, 80,729.31 and 31,642.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,499.67 : 80,729.31 = 31,642.25 : x
2. Step 2: Convert to fraction form
   58,499.67/80,729.31 = 31,642.25/x
3. Step 3: Cross multiply
   58,499.67x = 80,729.31 × 31,642.25
4. Step 4: Simplify right side
   58,499.67x = 2,554,456,546.37
5. Step 5: Solve for x
   x = 2,554,456,546.37/58,499.67
6. Step 6: Final answer
   x = 43,666.17