Finding the Fourth Proportional to 86,172, 118,910.07 and 48,443.82

Step by Step Solution

1. Step 1: Write the proportion equation
   86,172 : 118,910.07 = 48,443.82 : x
2. Step 2: Convert to fraction form
   86,172/118,910.07 = 48,443.82/x
3. Step 3: Cross multiply
   86,172x = 118,910.07 × 48,443.82
4. Step 4: Simplify right side
   86,172x = 5,760,458,027.27
5. Step 5: Solve for x
   x = 5,760,458,027.27/86,172
6. Step 6: Final answer
   x = 66,848.37