Finding the Fourth Proportional to 106,568.69, 147,011.72 and 74,370.83

Step by Step Solution

1. Step 1: Write the proportion equation
   106,568.69 : 147,011.72 = 74,370.83 : x
2. Step 2: Convert to fraction form
   106,568.69/147,011.72 = 74,370.83/x
3. Step 3: Cross multiply
   106,568.69x = 147,011.72 × 74,370.83
4. Step 4: Simplify right side
   106,568.69x = 10,933,383,264.27
5. Step 5: Solve for x
   x = 10,933,383,264.27/106,568.69
6. Step 6: Final answer
   x = 102,594.70