Finding the Fourth Proportional to 82,086.32, 123,129.50 and 19,756.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82,086.32 : 123,129.50 = 19,756.82 : x
2. Step 2: Convert to fraction form
   82,086.32/123,129.50 = 19,756.82/x
3. Step 3: Cross multiply
   82,086.32x = 123,129.50 × 19,756.82
4. Step 4: Simplify right side
   82,086.32x = 2,432,647,368.19
5. Step 5: Solve for x
   x = 2,432,647,368.19/82,086.32
6. Step 6: Final answer
   x = 29,635.23