Finding the Fourth Proportional to 78,974.34, 108,981.63 and 43,164.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,974.34 : 108,981.63 = 43,164.06 : x
2. Step 2: Convert to fraction form
   78,974.34/108,981.63 = 43,164.06/x
3. Step 3: Cross multiply
   78,974.34x = 108,981.63 × 43,164.06
4. Step 4: Simplify right side
   78,974.34x = 4,704,089,616.22
5. Step 5: Solve for x
   x = 4,704,089,616.22/78,974.34
6. Step 6: Final answer
   x = 59,564.79