Finding the Fourth Proportional to 82,088, 123,132 and 19,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,088 : 123,132 = 19,758.50 : x
2. Step 2: Convert to fraction form
   82,088/123,132 = 19,758.50/x
3. Step 3: Cross multiply
   82,088x = 123,132 × 19,758.50
4. Step 4: Simplify right side
   82,088x = 2,432,903,622
5. Step 5: Solve for x
   x = 2,432,903,622/82,088
6. Step 6: Final answer
   x = 29,637.75