Finding the Fourth Proportional to 81,900.56, 122,773 and 32,012.64

Step by Step Solution

1. Step 1: Write the proportion equation
   81,900.56 : 122,773 = 32,012.64 : x
2. Step 2: Convert to fraction form
   81,900.56/122,773 = 32,012.64/x
3. Step 3: Cross multiply
   81,900.56x = 122,773 × 32,012.64
4. Step 4: Simplify right side
   81,900.56x = 3,930,287,850.72
5. Step 5: Solve for x
   x = 3,930,287,850.72/81,900.56
6. Step 6: Final answer
   x = 47,988.53