Finding the Fourth Proportional to 70,592.36, 105,804.96 and 31,066.88

Step by Step Solution

1. Step 1: Write the proportion equation
   70,592.36 : 105,804.96 = 31,066.88 : x
2. Step 2: Convert to fraction form
   70,592.36/105,804.96 = 31,066.88/x
3. Step 3: Cross multiply
   70,592.36x = 105,804.96 × 31,066.88
4. Step 4: Simplify right side
   70,592.36x = 3,287,029,995.72
5. Step 5: Solve for x
   x = 3,287,029,995.72/70,592.36
6. Step 6: Final answer
   x = 46,563.54