Finding the Fourth Proportional to 120,083.16, 180,128.40 and 41,196.25

Step by Step Solution

1. Step 1: Write the proportion equation
   120,083.16 : 180,128.40 = 41,196.25 : x
2. Step 2: Convert to fraction form
   120,083.16/180,128.40 = 41,196.25/x
3. Step 3: Cross multiply
   120,083.16x = 180,128.40 × 41,196.25
4. Step 4: Simplify right side
   120,083.16x = 7,420,614,598.50
5. Step 5: Solve for x
   x = 7,420,614,598.50/120,083.16
6. Step 6: Final answer
   x = 61,795.63