Finding the Fourth Proportional to 70,948.16, 106,394.52 and 30,979.34

Step by Step Solution

1. Step 1: Write the proportion equation
   70,948.16 : 106,394.52 = 30,979.34 : x
2. Step 2: Convert to fraction form
   70,948.16/106,394.52 = 30,979.34/x
3. Step 3: Cross multiply
   70,948.16x = 106,394.52 × 30,979.34
4. Step 4: Simplify right side
   70,948.16x = 3,296,032,009.22
5. Step 5: Solve for x
   x = 3,296,032,009.22/70,948.16
6. Step 6: Final answer
   x = 46,456.91