Finding the Fourth Proportional to 82,047.95, 123,071.90 and 19,718.45

Step by Step Solution

1. Step 1: Write the proportion equation
   82,047.95 : 123,071.90 = 19,718.45 : x
2. Step 2: Convert to fraction form
   82,047.95/123,071.90 = 19,718.45/x
3. Step 3: Cross multiply
   82,047.95x = 123,071.90 × 19,718.45
4. Step 4: Simplify right side
   82,047.95x = 2,426,786,392.60
5. Step 5: Solve for x
   x = 2,426,786,392.60/82,047.95
6. Step 6: Final answer
   x = 29,577.66