Finding the Fourth Proportional to 58,538.14, 80,782.73 and 31,680.67

Step by Step Solution

1. Step 1: Write the proportion equation
   58,538.14 : 80,782.73 = 31,680.67 : x
2. Step 2: Convert to fraction form
   58,538.14/80,782.73 = 31,680.67/x
3. Step 3: Cross multiply
   58,538.14x = 80,782.73 × 31,680.67
4. Step 4: Simplify right side
   58,538.14x = 2,559,250,852.43
5. Step 5: Solve for x
   x = 2,559,250,852.43/58,538.14
6. Step 6: Final answer
   x = 43,719.38