Finding the Fourth Proportional to 42,679.24, 58,922.58 and 30,773.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,679.24 : 58,922.58 = 30,773.32 : x
2. Step 2: Convert to fraction form
   42,679.24/58,922.58 = 30,773.32/x
3. Step 3: Cross multiply
   42,679.24x = 58,922.58 × 30,773.32
4. Step 4: Simplify right side
   42,679.24x = 1,813,243,409.57
5. Step 5: Solve for x
   x = 1,813,243,409.57/42,679.24
6. Step 6: Final answer
   x = 42,485.37