Finding the Fourth Proportional to 78,802.55, 108,747.37 and 42,992.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,802.55 : 108,747.37 = 42,992.59 : x
2. Step 2: Convert to fraction form
   78,802.55/108,747.37 = 42,992.59/x
3. Step 3: Cross multiply
   78,802.55x = 108,747.37 × 42,992.59
4. Step 4: Simplify right side
   78,802.55x = 4,675,330,333.29
5. Step 5: Solve for x
   x = 4,675,330,333.29/78,802.55
6. Step 6: Final answer
   x = 59,329.68