Finding the Fourth Proportional to 82,110.30, 123,136.65 and 42,654.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,110.30 : 123,136.65 = 42,654.30 : x
2. Step 2: Convert to fraction form
   82,110.30/123,136.65 = 42,654.30/x
3. Step 3: Cross multiply
   82,110.30x = 123,136.65 × 42,654.30
4. Step 4: Simplify right side
   82,110.30x = 5,252,307,610.10
5. Step 5: Solve for x
   x = 5,252,307,610.10/82,110.30
6. Step 6: Final answer
   x = 63,966.49