Finding the Fourth Proportional to 123,493.98, 170,419.48 and 69,777.86

Step by Step Solution

1. Step 1: Write the proportion equation
   123,493.98 : 170,419.48 = 69,777.86 : x
2. Step 2: Convert to fraction form
   123,493.98/170,419.48 = 69,777.86/x
3. Step 3: Cross multiply
   123,493.98x = 170,419.48 × 69,777.86
4. Step 4: Simplify right side
   123,493.98x = 11,891,505,590.17
5. Step 5: Solve for x
   x = 11,891,505,590.17/123,493.98
6. Step 6: Final answer
   x = 96,292.19