Finding the Fourth Proportional to 106,870.32, 160,227.72 and 65,346.48

Step by Step Solution

1. Step 1: Write the proportion equation
   106,870.32 : 160,227.72 = 65,346.48 : x
2. Step 2: Convert to fraction form
   106,870.32/160,227.72 = 65,346.48/x
3. Step 3: Cross multiply
   106,870.32x = 160,227.72 × 65,346.48
4. Step 4: Simplify right side
   106,870.32x = 10,470,317,500.43
5. Step 5: Solve for x
   x = 10,470,317,500.43/106,870.32
6. Step 6: Final answer
   x = 97,972.17