Finding the Fourth Proportional to 70,540.01, 105,837.56 and 31,069.46

Step by Step Solution

1. Step 1: Write the proportion equation
   70,540.01 : 105,837.56 = 31,069.46 : x
2. Step 2: Convert to fraction form
   70,540.01/105,837.56 = 31,069.46/x
3. Step 3: Cross multiply
   70,540.01x = 105,837.56 × 31,069.46
4. Step 4: Simplify right side
   70,540.01x = 3,288,315,268.89
5. Step 5: Solve for x
   x = 3,288,315,268.89/70,540.01
6. Step 6: Final answer
   x = 46,616.31