Finding the Fourth Proportional to 42,379.69, 58,505.75 and 29,860.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,379.69 : 58,505.75 = 29,860.33 : x
2. Step 2: Convert to fraction form
   42,379.69/58,505.75 = 29,860.33/x
3. Step 3: Cross multiply
   42,379.69x = 58,505.75 × 29,860.33
4. Step 4: Simplify right side
   42,379.69x = 1,747,001,001.90
5. Step 5: Solve for x
   x = 1,747,001,001.90/42,379.69
6. Step 6: Final answer
   x = 41,222.60