Finding the Fourth Proportional to 126,404.56, 174,439.20 and 69,815.94

Step by Step Solution

1. Step 1: Write the proportion equation
   126,404.56 : 174,439.20 = 69,815.94 : x
2. Step 2: Convert to fraction form
   126,404.56/174,439.20 = 69,815.94/x
3. Step 3: Cross multiply
   126,404.56x = 174,439.20 × 69,815.94
4. Step 4: Simplify right side
   126,404.56x = 12,178,635,499.57
5. Step 5: Solve for x
   x = 12,178,635,499.57/126,404.56
6. Step 6: Final answer
   x = 96,346.49