Finding the Fourth Proportional to 126,019.32, 173,907.10 and 69,430.56

Step by Step Solution

1. Step 1: Write the proportion equation
   126,019.32 : 173,907.10 = 69,430.56 : x
2. Step 2: Convert to fraction form
   126,019.32/173,907.10 = 69,430.56/x
3. Step 3: Cross multiply
   126,019.32x = 173,907.10 × 69,430.56
4. Step 4: Simplify right side
   126,019.32x = 12,074,467,340.98
5. Step 5: Solve for x
   x = 12,074,467,340.98/126,019.32
6. Step 6: Final answer
   x = 95,814.41