Finding the Fourth Proportional to 78,117.54, 107,802.27 and 42,307.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,117.54 : 107,802.27 = 42,307.62 : x
2. Step 2: Convert to fraction form
   78,117.54/107,802.27 = 42,307.62/x
3. Step 3: Cross multiply
   78,117.54x = 107,802.27 × 42,307.62
4. Step 4: Simplify right side
   78,117.54x = 4,560,857,474.30
5. Step 5: Solve for x
   x = 4,560,857,474.30/78,117.54
6. Step 6: Final answer
   x = 58,384.55