Finding the Fourth Proportional to 117,494.76, 162,089.06 and 81,769.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,494.76 : 162,089.06 = 81,769.96 : x
2. Step 2: Convert to fraction form
   117,494.76/162,089.06 = 81,769.96/x
3. Step 3: Cross multiply
   117,494.76x = 162,089.06 × 81,769.96
4. Step 4: Simplify right side
   117,494.76x = 13,254,015,952.64
5. Step 5: Solve for x
   x = 13,254,015,952.64/117,494.76
6. Step 6: Final answer
   x = 112,805.17