Finding the Fourth Proportional to 84,111.38, 116,091.71 and 48,321.12

Step by Step Solution

1. Step 1: Write the proportion equation
   84,111.38 : 116,091.71 = 48,321.12 : x
2. Step 2: Convert to fraction form
   84,111.38/116,091.71 = 48,321.12/x
3. Step 3: Cross multiply
   84,111.38x = 116,091.71 × 48,321.12
4. Step 4: Simplify right side
   84,111.38x = 5,609,681,208.31
5. Step 5: Solve for x
   x = 5,609,681,208.31/84,111.38
6. Step 6: Final answer
   x = 66,693.49