Finding the Fourth Proportional to 129,856.77, 194,819.67 and 41,112.09

Step by Step Solution

1. Step 1: Write the proportion equation
   129,856.77 : 194,819.67 = 41,112.09 : x
2. Step 2: Convert to fraction form
   129,856.77/194,819.67 = 41,112.09/x
3. Step 3: Cross multiply
   129,856.77x = 194,819.67 × 41,112.09
4. Step 4: Simplify right side
   129,856.77x = 8,009,443,806.81
5. Step 5: Solve for x
   x = 8,009,443,806.81/129,856.77
6. Step 6: Final answer
   x = 61,679.06