Finding the Fourth Proportional to 123,496.11, 170,422.41 and 69,779.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,496.11 : 170,422.41 = 69,779.98 : x
2. Step 2: Convert to fraction form
   123,496.11/170,422.41 = 69,779.98/x
3. Step 3: Cross multiply
   123,496.11x = 170,422.41 × 69,779.98
4. Step 4: Simplify right side
   123,496.11x = 11,892,072,361.35
5. Step 5: Solve for x
   x = 11,892,072,361.35/123,496.11
6. Step 6: Final answer
   x = 96,295.12