Finding the Fourth Proportional to 123,911.18, 171,005.86 and 70,196.62

Step by Step Solution

1. Step 1: Write the proportion equation
   123,911.18 : 171,005.86 = 70,196.62 : x
2. Step 2: Convert to fraction form
   123,911.18/171,005.86 = 70,196.62/x
3. Step 3: Cross multiply
   123,911.18x = 171,005.86 × 70,196.62
4. Step 4: Simplify right side
   123,911.18x = 12,004,033,372.19
5. Step 5: Solve for x
   x = 12,004,033,372.19/123,911.18
6. Step 6: Final answer
   x = 96,876.11