Finding the Fourth Proportional to 82,250.41, 123,375.20 and 19,920.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,250.41 : 123,375.20 = 19,920.91 : x
2. Step 2: Convert to fraction form
   82,250.41/123,375.20 = 19,920.91/x
3. Step 3: Cross multiply
   82,250.41x = 123,375.20 × 19,920.91
4. Step 4: Simplify right side
   82,250.41x = 2,457,746,255.43
5. Step 5: Solve for x
   x = 2,457,746,255.43/82,250.41
6. Step 6: Final answer
   x = 29,881.26