Finding the Fourth Proportional to 117,479.27, 162,121.53 and 63,764.30

Step by Step Solution

1. Step 1: Write the proportion equation
   117,479.27 : 162,121.53 = 63,764.30 : x
2. Step 2: Convert to fraction form
   117,479.27/162,121.53 = 63,764.30/x
3. Step 3: Cross multiply
   117,479.27x = 162,121.53 × 63,764.30
4. Step 4: Simplify right side
   117,479.27x = 10,337,565,064.77
5. Step 5: Solve for x
   x = 10,337,565,064.77/117,479.27
6. Step 6: Final answer
   x = 87,994.81