Finding the Fourth Proportional to 117,072.34, 161,559.23 and 63,357.37

Step by Step Solution

1. Step 1: Write the proportion equation
   117,072.34 : 161,559.23 = 63,357.37 : x
2. Step 2: Convert to fraction form
   117,072.34/161,559.23 = 63,357.37/x
3. Step 3: Cross multiply
   117,072.34x = 161,559.23 × 63,357.37
4. Step 4: Simplify right side
   117,072.34x = 10,235,967,191.34
5. Step 5: Solve for x
   x = 10,235,967,191.34/117,072.34
6. Step 6: Final answer
   x = 87,432.84