Finding the Fourth Proportional to 82,407.25, 123,635.45 and 58,437.73

Step by Step Solution

1. Step 1: Write the proportion equation
   82,407.25 : 123,635.45 = 58,437.73 : x
2. Step 2: Convert to fraction form
   82,407.25/123,635.45 = 58,437.73/x
3. Step 3: Cross multiply
   82,407.25x = 123,635.45 × 58,437.73
4. Step 4: Simplify right side
   82,407.25x = 7,224,975,045.53
5. Step 5: Solve for x
   x = 7,224,975,045.53/82,407.25
6. Step 6: Final answer
   x = 87,674.02