Finding the Fourth Proportional to 82,021.23, 123,031.88 and 63,328.59

Step by Step Solution

1. Step 1: Write the proportion equation
   82,021.23 : 123,031.88 = 63,328.59 : x
2. Step 2: Convert to fraction form
   82,021.23/123,031.88 = 63,328.59/x
3. Step 3: Cross multiply
   82,021.23x = 123,031.88 × 63,328.59
4. Step 4: Simplify right side
   82,021.23x = 7,791,435,168.81
5. Step 5: Solve for x
   x = 7,791,435,168.81/82,021.23
6. Step 6: Final answer
   x = 94,992.91