Finding the Fourth Proportional to 126,128.34, 174,056.04 and 69,538.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,128.34 : 174,056.04 = 69,538.50 : x
2. Step 2: Convert to fraction form
   126,128.34/174,056.04 = 69,538.50/x
3. Step 3: Cross multiply
   126,128.34x = 174,056.04 × 69,538.50
4. Step 4: Simplify right side
   126,128.34x = 12,103,595,937.54
5. Step 5: Solve for x
   x = 12,103,595,937.54/126,128.34
6. Step 6: Final answer
   x = 95,962.54