Finding the Fourth Proportional to 82,435.34, 123,611.42 and 58,729.34

Step by Step Solution

1. Step 1: Write the proportion equation
   82,435.34 : 123,611.42 = 58,729.34 : x
2. Step 2: Convert to fraction form
   82,435.34/123,611.42 = 58,729.34/x
3. Step 3: Cross multiply
   82,435.34x = 123,611.42 × 58,729.34
4. Step 4: Simplify right side
   82,435.34x = 7,259,617,113.06
5. Step 5: Solve for x
   x = 7,259,617,113.06/82,435.34
6. Step 6: Final answer
   x = 88,064.38