Finding the Fourth Proportional to 82,088.37, 123,132.56 and 19,758.87

Step by Step Solution

1. Step 1: Write the proportion equation
   82,088.37 : 123,132.56 = 19,758.87 : x
2. Step 2: Convert to fraction form
   82,088.37/123,132.56 = 19,758.87/x
3. Step 3: Cross multiply
   82,088.37x = 123,132.56 × 19,758.87
4. Step 4: Simplify right side
   82,088.37x = 2,432,960,147.01
5. Step 5: Solve for x
   x = 2,432,960,147.01/82,088.37
6. Step 6: Final answer
   x = 29,638.31