Finding the Fourth Proportional to 70,956.40, 106,314.16 and 42,817.33

Step by Step Solution

1. Step 1: Write the proportion equation
   70,956.40 : 106,314.16 = 42,817.33 : x
2. Step 2: Convert to fraction form
   70,956.40/106,314.16 = 42,817.33/x
3. Step 3: Cross multiply
   70,956.40x = 106,314.16 × 42,817.33
4. Step 4: Simplify right side
   70,956.40x = 4,552,088,258.31
5. Step 5: Solve for x
   x = 4,552,088,258.31/70,956.40
6. Step 6: Final answer
   x = 64,153.31