Finding the Fourth Proportional to 126,308.30, 174,306.90 and 69,719.72

Step by Step Solution

1. Step 1: Write the proportion equation
   126,308.30 : 174,306.90 = 69,719.72 : x
2. Step 2: Convert to fraction form
   126,308.30/174,306.90 = 69,719.72/x
3. Step 3: Cross multiply
   126,308.30x = 174,306.90 × 69,719.72
4. Step 4: Simplify right side
   126,308.30x = 12,152,628,262.07
5. Step 5: Solve for x
   x = 12,152,628,262.07/126,308.30
6. Step 6: Final answer
   x = 96,214.01