Finding the Fourth Proportional to 126,404.81, 174,439.54 and 69,816.18

Step by Step Solution

1. Step 1: Write the proportion equation
   126,404.81 : 174,439.54 = 69,816.18 : x
2. Step 2: Convert to fraction form
   126,404.81/174,439.54 = 69,816.18/x
3. Step 3: Cross multiply
   126,404.81x = 174,439.54 × 69,816.18
4. Step 4: Simplify right side
   126,404.81x = 12,178,702,323.76
5. Step 5: Solve for x
   x = 12,178,702,323.76/126,404.81
6. Step 6: Final answer
   x = 96,346.83