Finding the Fourth Proportional to 42,567, 58,715.82 and 30,611.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,567 : 58,715.82 = 30,611.40 : x
2. Step 2: Convert to fraction form
   42,567/58,715.82 = 30,611.40/x
3. Step 3: Cross multiply
   42,567x = 58,715.82 × 30,611.40
4. Step 4: Simplify right side
   42,567x = 1,797,373,452.35
5. Step 5: Solve for x
   x = 1,797,373,452.35/42,567
6. Step 6: Final answer
   x = 42,224.57