Finding the Fourth Proportional to 78,434, 108,238.92 and 43,106

Step by Step Solution

1. Step 1: Write the proportion equation
   78,434 : 108,238.92 = 43,106 : x
2. Step 2: Convert to fraction form
   78,434/108,238.92 = 43,106/x
3. Step 3: Cross multiply
   78,434x = 108,238.92 × 43,106
4. Step 4: Simplify right side
   78,434x = 4,665,746,885.52
5. Step 5: Solve for x
   x = 4,665,746,885.52/78,434
6. Step 6: Final answer
   x = 59,486.28