Finding the Fourth Proportional to 82,080.06, 123,142.02 and 29,490

Step by Step Solution

1. Step 1: Write the proportion equation
   82,080.06 : 123,142.02 = 29,490 : x
2. Step 2: Convert to fraction form
   82,080.06/123,142.02 = 29,490/x
3. Step 3: Cross multiply
   82,080.06x = 123,142.02 × 29,490
4. Step 4: Simplify right side
   82,080.06x = 3,631,458,169.80
5. Step 5: Solve for x
   x = 3,631,458,169.80/82,080.06
6. Step 6: Final answer
   x = 44,242.88