Finding the Fourth Proportional to 67,327.69, 100,980.60 and 31,788.94

Step by Step Solution

1. Step 1: Write the proportion equation
   67,327.69 : 100,980.60 = 31,788.94 : x
2. Step 2: Convert to fraction form
   67,327.69/100,980.60 = 31,788.94/x
3. Step 3: Cross multiply
   67,327.69x = 100,980.60 × 31,788.94
4. Step 4: Simplify right side
   67,327.69x = 3,210,065,828.06
5. Step 5: Solve for x
   x = 3,210,065,828.06/67,327.69
6. Step 6: Final answer
   x = 47,678.24