Finding the Fourth Proportional to 82,102.50, 123,153.78 and 19,773

Step by Step Solution

1. Step 1: Write the proportion equation
   82,102.50 : 123,153.78 = 19,773 : x
2. Step 2: Convert to fraction form
   82,102.50/123,153.78 = 19,773/x
3. Step 3: Cross multiply
   82,102.50x = 123,153.78 × 19,773
4. Step 4: Simplify right side
   82,102.50x = 2,435,119,691.94
5. Step 5: Solve for x
   x = 2,435,119,691.94/82,102.50
6. Step 6: Final answer
   x = 29,659.51