Finding the Fourth Proportional to 106,964.76, 160,462.98 and 100,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   106,964.76 : 160,462.98 = 100,404.12 : x
2. Step 2: Convert to fraction form
   106,964.76/160,462.98 = 100,404.12/x
3. Step 3: Cross multiply
   106,964.76x = 160,462.98 × 100,404.12
4. Step 4: Simplify right side
   106,964.76x = 16,111,144,299.48
5. Step 5: Solve for x
   x = 16,111,144,299.48/106,964.76
6. Step 6: Final answer
   x = 150,621.05