Finding the Fourth Proportional to 82,490.16, 123,735.20 and 29,899.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,490.16 : 123,735.20 = 29,899.56 : x
2. Step 2: Convert to fraction form
   82,490.16/123,735.20 = 29,899.56/x
3. Step 3: Cross multiply
   82,490.16x = 123,735.20 × 29,899.56
4. Step 4: Simplify right side
   82,490.16x = 3,699,628,036.51
5. Step 5: Solve for x
   x = 3,699,628,036.51/82,490.16
6. Step 6: Final answer
   x = 44,849.33