Finding the Fourth Proportional to 78,828.84, 108,786.06 and 43,021.14

Step by Step Solution

1. Step 1: Write the proportion equation
   78,828.84 : 108,786.06 = 43,021.14 : x
2. Step 2: Convert to fraction form
   78,828.84/108,786.06 = 43,021.14/x
3. Step 3: Cross multiply
   78,828.84x = 108,786.06 × 43,021.14
4. Step 4: Simplify right side
   78,828.84x = 4,680,100,317.31
5. Step 5: Solve for x
   x = 4,680,100,317.31/78,828.84
6. Step 6: Final answer
   x = 59,370.41