Finding the Fourth Proportional to 82,429.18, 123,668.41 and 58,459.66

Step by Step Solution

1. Step 1: Write the proportion equation
   82,429.18 : 123,668.41 = 58,459.66 : x
2. Step 2: Convert to fraction form
   82,429.18/123,668.41 = 58,459.66/x
3. Step 3: Cross multiply
   82,429.18x = 123,668.41 × 58,459.66
4. Step 4: Simplify right side
   82,429.18x = 7,229,613,201.34
5. Step 5: Solve for x
   x = 7,229,613,201.34/82,429.18
6. Step 6: Final answer
   x = 87,706.96