Finding the Fourth Proportional to 126,019.36, 173,910.72 and 69,432.76

Step by Step Solution

1. Step 1: Write the proportion equation
   126,019.36 : 173,910.72 = 69,432.76 : x
2. Step 2: Convert to fraction form
   126,019.36/173,910.72 = 69,432.76/x
3. Step 3: Cross multiply
   126,019.36x = 173,910.72 × 69,432.76
4. Step 4: Simplify right side
   126,019.36x = 12,075,101,283.19
5. Step 5: Solve for x
   x = 12,075,101,283.19/126,019.36
6. Step 6: Final answer
   x = 95,819.41