Finding the Fourth Proportional to 117,643.08, 162,188.46 and 79,851.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,643.08 : 162,188.46 = 79,851.72 : x
2. Step 2: Convert to fraction form
   117,643.08/162,188.46 = 79,851.72/x
3. Step 3: Cross multiply
   117,643.08x = 162,188.46 × 79,851.72
4. Step 4: Simplify right side
   117,643.08x = 12,951,027,495.15
5. Step 5: Solve for x
   x = 12,951,027,495.15/117,643.08
6. Step 6: Final answer
   x = 110,087.46