Finding the Fourth Proportional to 78,929.82, 108,923.54 and 43,120.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,929.82 : 108,923.54 = 43,120.43 : x
2. Step 2: Convert to fraction form
   78,929.82/108,923.54 = 43,120.43/x
3. Step 3: Cross multiply
   78,929.82x = 108,923.54 × 43,120.43
4. Step 4: Simplify right side
   78,929.82x = 4,696,829,223.82
5. Step 5: Solve for x
   x = 4,696,829,223.82/78,929.82
6. Step 6: Final answer
   x = 59,506.40