Finding the Fourth Proportional to 82,406.25, 123,633.95 and 58,436.73

Step by Step Solution

1. Step 1: Write the proportion equation
   82,406.25 : 123,633.95 = 58,436.73 : x
2. Step 2: Convert to fraction form
   82,406.25/123,633.95 = 58,436.73/x
3. Step 3: Cross multiply
   82,406.25x = 123,633.95 × 58,436.73
4. Step 4: Simplify right side
   82,406.25x = 7,224,763,462.80
5. Step 5: Solve for x
   x = 7,224,763,462.80/82,406.25
6. Step 6: Final answer
   x = 87,672.52