Finding the Fourth Proportional to 117,321.98, 162,037.98 and 79,530.62

Step by Step Solution

1. Step 1: Write the proportion equation
   117,321.98 : 162,037.98 = 79,530.62 : x
2. Step 2: Convert to fraction form
   117,321.98/162,037.98 = 79,530.62/x
3. Step 3: Cross multiply
   117,321.98x = 162,037.98 × 79,530.62
4. Step 4: Simplify right side
   117,321.98x = 12,886,980,615.29
5. Step 5: Solve for x
   x = 12,886,980,615.29/117,321.98
6. Step 6: Final answer
   x = 109,842.85