Finding the Fourth Proportional to 85,443.13, 117,914.88 and 49,144.51

Step by Step Solution

1. Step 1: Write the proportion equation
   85,443.13 : 117,914.88 = 49,144.51 : x
2. Step 2: Convert to fraction form
   85,443.13/117,914.88 = 49,144.51/x
3. Step 3: Cross multiply
   85,443.13x = 117,914.88 × 49,144.51
4. Step 4: Simplify right side
   85,443.13x = 5,794,868,999.31
5. Step 5: Solve for x
   x = 5,794,868,999.31/85,443.13
6. Step 6: Final answer
   x = 67,821.36