Finding the Fourth Proportional to 84,870.12, 117,111.78 and 49,054.44

Step by Step Solution

1. Step 1: Write the proportion equation
   84,870.12 : 117,111.78 = 49,054.44 : x
2. Step 2: Convert to fraction form
   84,870.12/117,111.78 = 49,054.44/x
3. Step 3: Cross multiply
   84,870.12x = 117,111.78 × 49,054.44
4. Step 4: Simplify right side
   84,870.12x = 5,744,852,785.30
5. Step 5: Solve for x
   x = 5,744,852,785.30/84,870.12
6. Step 6: Final answer
   x = 67,689.93