Finding the Fourth Proportional to 164,079.72, 245,996.25 and 69,420.69

Step by Step Solution

1. Step 1: Write the proportion equation
   164,079.72 : 245,996.25 = 69,420.69 : x
2. Step 2: Convert to fraction form
   164,079.72/245,996.25 = 69,420.69/x
3. Step 3: Cross multiply
   164,079.72x = 245,996.25 × 69,420.69
4. Step 4: Simplify right side
   164,079.72x = 17,077,229,412.41
5. Step 5: Solve for x
   x = 17,077,229,412.41/164,079.72
6. Step 6: Final answer
   x = 104,078.86