Finding the Fourth Proportional to 126,018.12, 173,905.02 and 69,429

Step by Step Solution

1. Step 1: Write the proportion equation
   126,018.12 : 173,905.02 = 69,429 : x
2. Step 2: Convert to fraction form
   126,018.12/173,905.02 = 69,429/x
3. Step 3: Cross multiply
   126,018.12x = 173,905.02 × 69,429
4. Step 4: Simplify right side
   126,018.12x = 12,074,051,633.58
5. Step 5: Solve for x
   x = 12,074,051,633.58/126,018.12
6. Step 6: Final answer
   x = 95,812.03