Finding the Fourth Proportional to 78,977.94, 108,989.31 and 43,167.93

Step by Step Solution

1. Step 1: Write the proportion equation
   78,977.94 : 108,989.31 = 43,167.93 : x
2. Step 2: Convert to fraction form
   78,977.94/108,989.31 = 43,167.93/x
3. Step 3: Cross multiply
   78,977.94x = 108,989.31 × 43,167.93
4. Step 4: Simplify right side
   78,977.94x = 4,704,842,904.83
5. Step 5: Solve for x
   x = 4,704,842,904.83/78,977.94
6. Step 6: Final answer
   x = 59,571.61