Finding the Fourth Proportional to 70,964.37, 106,326.06 and 42,825.30

Step by Step Solution

1. Step 1: Write the proportion equation
   70,964.37 : 106,326.06 = 42,825.30 : x
2. Step 2: Convert to fraction form
   70,964.37/106,326.06 = 42,825.30/x
3. Step 3: Cross multiply
   70,964.37x = 106,326.06 × 42,825.30
4. Step 4: Simplify right side
   70,964.37x = 4,553,444,858.00
5. Step 5: Solve for x
   x = 4,553,444,858.00/70,964.37
6. Step 6: Final answer
   x = 64,165.22