Finding the Fourth Proportional to 82,435.59, 123,611.81 and 58,729.59

Step by Step Solution

1. Step 1: Write the proportion equation
   82,435.59 : 123,611.81 = 58,729.59 : x
2. Step 2: Convert to fraction form
   82,435.59/123,611.81 = 58,729.59/x
3. Step 3: Cross multiply
   82,435.59x = 123,611.81 × 58,729.59
4. Step 4: Simplify right side
   82,435.59x = 7,259,670,626.81
5. Step 5: Solve for x
   x = 7,259,670,626.81/82,435.59
6. Step 6: Final answer
   x = 88,064.76