Finding the Fourth Proportional to 117,764.81, 162,452.35 and 81,892.54

Step by Step Solution

1. Step 1: Write the proportion equation
   117,764.81 : 162,452.35 = 81,892.54 : x
2. Step 2: Convert to fraction form
   117,764.81/162,452.35 = 81,892.54/x
3. Step 3: Cross multiply
   117,764.81x = 162,452.35 × 81,892.54
4. Step 4: Simplify right side
   117,764.81x = 13,303,635,570.47
5. Step 5: Solve for x
   x = 13,303,635,570.47/117,764.81
6. Step 6: Final answer
   x = 112,967.83