Finding the Fourth Proportional to 70,943.71, 106,403.91 and 28,822.09

Step by Step Solution

1. Step 1: Write the proportion equation
   70,943.71 : 106,403.91 = 28,822.09 : x
2. Step 2: Convert to fraction form
   70,943.71/106,403.91 = 28,822.09/x
3. Step 3: Cross multiply
   70,943.71x = 106,403.91 × 28,822.09
4. Step 4: Simplify right side
   70,943.71x = 3,066,783,070.37
5. Step 5: Solve for x
   x = 3,066,783,070.37/70,943.71
6. Step 6: Final answer
   x = 43,228.40