Finding the Fourth Proportional to 78,974.10, 108,980.96 and 43,165.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,974.10 : 108,980.96 = 43,165.34 : x
2. Step 2: Convert to fraction form
   78,974.10/108,980.96 = 43,165.34/x
3. Step 3: Cross multiply
   78,974.10x = 108,980.96 × 43,165.34
4. Step 4: Simplify right side
   78,974.10x = 4,704,200,191.93
5. Step 5: Solve for x
   x = 4,704,200,191.93/78,974.10
6. Step 6: Final answer
   x = 59,566.37