Finding the Fourth Proportional to 82,050.03, 123,074.99 and 19,720.53

Step by Step Solution

1. Step 1: Write the proportion equation
   82,050.03 : 123,074.99 = 19,720.53 : x
2. Step 2: Convert to fraction form
   82,050.03/123,074.99 = 19,720.53/x
3. Step 3: Cross multiply
   82,050.03x = 123,074.99 × 19,720.53
4. Step 4: Simplify right side
   82,050.03x = 2,427,103,933.94
5. Step 5: Solve for x
   x = 2,427,103,933.94/82,050.03
6. Step 6: Final answer
   x = 29,580.78