Finding the Fourth Proportional to 58,499.82, 80,729.76 and 31,642.32

Step by Step Solution

1. Step 1: Write the proportion equation
   58,499.82 : 80,729.76 = 31,642.32 : x
2. Step 2: Convert to fraction form
   58,499.82/80,729.76 = 31,642.32/x
3. Step 3: Cross multiply
   58,499.82x = 80,729.76 × 31,642.32
4. Step 4: Simplify right side
   58,499.82x = 2,554,477,093.79
5. Step 5: Solve for x
   x = 2,554,477,093.79/58,499.82
6. Step 6: Final answer
   x = 43,666.41