Finding the Fourth Proportional to 126,404.06, 174,438.50 and 69,815.43

Step by Step Solution

1. Step 1: Write the proportion equation
   126,404.06 : 174,438.50 = 69,815.43 : x
2. Step 2: Convert to fraction form
   126,404.06/174,438.50 = 69,815.43/x
3. Step 3: Cross multiply
   126,404.06x = 174,438.50 × 69,815.43
4. Step 4: Simplify right side
   126,404.06x = 12,178,499,496.69
5. Step 5: Solve for x
   x = 12,178,499,496.69/126,404.06
6. Step 6: Final answer
   x = 96,345.80