Finding the Fourth Proportional to 79,962.59, 120,016.43 and 42,554.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,962.59 : 120,016.43 = 42,554.16 : x
2. Step 2: Convert to fraction form
   79,962.59/120,016.43 = 42,554.16/x
3. Step 3: Cross multiply
   79,962.59x = 120,016.43 × 42,554.16
4. Step 4: Simplify right side
   79,962.59x = 5,107,197,552.00
5. Step 5: Solve for x
   x = 5,107,197,552.00/79,962.59
6. Step 6: Final answer
   x = 63,869.84