Finding the Fourth Proportional to 113,017.92, 155,959.20 and 67,697.76

Step by Step Solution

1. Step 1: Write the proportion equation
   113,017.92 : 155,959.20 = 67,697.76 : x
2. Step 2: Convert to fraction form
   113,017.92/155,959.20 = 67,697.76/x
3. Step 3: Cross multiply
   113,017.92x = 155,959.20 × 67,697.76
4. Step 4: Simplify right side
   113,017.92x = 10,558,088,491.39
5. Step 5: Solve for x
   x = 10,558,088,491.39/113,017.92
6. Step 6: Final answer
   x = 93,419.60