Finding the Fourth Proportional to 123,398,796.42, 170,287,904.28 and 67,644,336.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,398,796.42 : 170,287,904.28 = 67,644,336.96 : x
2. Step 2: Convert to fraction form
   123,398,796.42/170,287,904.28 = 67,644,336.96/x
3. Step 3: Cross multiply
   123,398,796.42x = 170,287,904.28 × 67,644,336.96
4. Step 4: Simplify right side
   123,398,796.42x = 11,519,012,377,328,546
5. Step 5: Solve for x
   x = 11,519,012,377,328,546/123,398,796.42
6. Step 6: Final answer
   x = 93,347,850.32