Finding the Fourth Proportional to 120,083.51, 180,128.91 and 41,196.59

Step by Step Solution

1. Step 1: Write the proportion equation
   120,083.51 : 180,128.91 = 41,196.59 : x
2. Step 2: Convert to fraction form
   120,083.51/180,128.91 = 41,196.59/x
3. Step 3: Cross multiply
   120,083.51x = 180,128.91 × 41,196.59
4. Step 4: Simplify right side
   120,083.51x = 7,420,696,852.42
5. Step 5: Solve for x
   x = 7,420,696,852.42/120,083.51
6. Step 6: Final answer
   x = 61,796.14