Finding the Fourth Proportional to 70,983.42, 106,499.43 and 31,568.01

Step by Step Solution

1. Step 1: Write the proportion equation
   70,983.42 : 106,499.43 = 31,568.01 : x
2. Step 2: Convert to fraction form
   70,983.42/106,499.43 = 31,568.01/x
3. Step 3: Cross multiply
   70,983.42x = 106,499.43 × 31,568.01
4. Step 4: Simplify right side
   70,983.42x = 3,361,975,071.23
5. Step 5: Solve for x
   x = 3,361,975,071.23/70,983.42
6. Step 6: Final answer
   x = 47,362.82