Finding the Fourth Proportional to 82,690.96, 124,051.32 and 30,174.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,690.96 : 124,051.32 = 30,174.16 : x
2. Step 2: Convert to fraction form
   82,690.96/124,051.32 = 30,174.16/x
3. Step 3: Cross multiply
   82,690.96x = 124,051.32 × 30,174.16
4. Step 4: Simplify right side
   82,690.96x = 3,743,144,377.89
5. Step 5: Solve for x
   x = 3,743,144,377.89/82,690.96
6. Step 6: Final answer
   x = 45,266.67