Finding the Fourth Proportional to 82,110.55, 123,165.59 and 19,781.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,110.55 : 123,165.59 = 19,781.05 : x
2. Step 2: Convert to fraction form
   82,110.55/123,165.59 = 19,781.05/x
3. Step 3: Cross multiply
   82,110.55x = 123,165.59 × 19,781.05
4. Step 4: Simplify right side
   82,110.55x = 2,436,344,694.07
5. Step 5: Solve for x
   x = 2,436,344,694.07/82,110.55
6. Step 6: Final answer
   x = 29,671.52