Finding the Fourth Proportional to 113,215.69, 156,197.82 and 67,908.34

Step by Step Solution

1. Step 1: Write the proportion equation
   113,215.69 : 156,197.82 = 67,908.34 : x
2. Step 2: Convert to fraction form
   113,215.69/156,197.82 = 67,908.34/x
3. Step 3: Cross multiply
   113,215.69x = 156,197.82 × 67,908.34
4. Step 4: Simplify right side
   113,215.69x = 10,607,134,277.32
5. Step 5: Solve for x
   x = 10,607,134,277.32/113,215.69
6. Step 6: Final answer
   x = 93,689.62