Finding the Fourth Proportional to 82,130.04, 123,193.98 and 19,800.04

Step by Step Solution

1. Step 1: Write the proportion equation
   82,130.04 : 123,193.98 = 19,800.04 : x
2. Step 2: Convert to fraction form
   82,130.04/123,193.98 = 19,800.04/x
3. Step 3: Cross multiply
   82,130.04x = 123,193.98 × 19,800.04
4. Step 4: Simplify right side
   82,130.04x = 2,439,245,731.76
5. Step 5: Solve for x
   x = 2,439,245,731.76/82,130.04
6. Step 6: Final answer
   x = 29,699.80