Finding the Fourth Proportional to 78,956.32, 108,957.80 and 43,145.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,956.32 : 108,957.80 = 43,145.42 : x
2. Step 2: Convert to fraction form
   78,956.32/108,957.80 = 43,145.42/x
3. Step 3: Cross multiply
   78,956.32x = 108,957.80 × 43,145.42
4. Step 4: Simplify right side
   78,956.32x = 4,701,030,043.28
5. Step 5: Solve for x
   x = 4,701,030,043.28/78,956.32
6. Step 6: Final answer
   x = 59,539.63