Finding the Fourth Proportional to 78,379.33, 108,164.27 and 42,570.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,379.33 : 108,164.27 = 42,570.04 : x
2. Step 2: Convert to fraction form
   78,379.33/108,164.27 = 42,570.04/x
3. Step 3: Cross multiply
   78,379.33x = 108,164.27 × 42,570.04
4. Step 4: Simplify right side
   78,379.33x = 4,604,557,300.47
5. Step 5: Solve for x
   x = 4,604,557,300.47/78,379.33
6. Step 6: Final answer
   x = 58,747.09