Finding the Fourth Proportional to 126,018.51, 173,905.43 and 69,429.88

Step by Step Solution

1. Step 1: Write the proportion equation
   126,018.51 : 173,905.43 = 69,429.88 : x
2. Step 2: Convert to fraction form
   126,018.51/173,905.43 = 69,429.88/x
3. Step 3: Cross multiply
   126,018.51x = 173,905.43 × 69,429.88
4. Step 4: Simplify right side
   126,018.51x = 12,074,233,136.25
5. Step 5: Solve for x
   x = 12,074,233,136.25/126,018.51
6. Step 6: Final answer
   x = 95,813.17