Finding the Fourth Proportional to 70,016.70, 105,031.59 and 27,886.62

Step by Step Solution

1. Step 1: Write the proportion equation
   70,016.70 : 105,031.59 = 27,886.62 : x
2. Step 2: Convert to fraction form
   70,016.70/105,031.59 = 27,886.62/x
3. Step 3: Cross multiply
   70,016.70x = 105,031.59 × 27,886.62
4. Step 4: Simplify right side
   70,016.70x = 2,928,976,038.33
5. Step 5: Solve for x
   x = 2,928,976,038.33/70,016.70
6. Step 6: Final answer
   x = 41,832.53