Finding the Fourth Proportional to 117,322.98, 162,039.33 and 79,531.62

Step by Step Solution

1. Step 1: Write the proportion equation
   117,322.98 : 162,039.33 = 79,531.62 : x
2. Step 2: Convert to fraction form
   117,322.98/162,039.33 = 79,531.62/x
3. Step 3: Cross multiply
   117,322.98x = 162,039.33 × 79,531.62
4. Step 4: Simplify right side
   117,322.98x = 12,887,250,418.61
5. Step 5: Solve for x
   x = 12,887,250,418.61/117,322.98
6. Step 6: Final answer
   x = 109,844.21