Finding the Fourth Proportional to 42,680.72, 58,906.59 and 24,790.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,680.72 : 58,906.59 = 24,790.70 : x
2. Step 2: Convert to fraction form
   42,680.72/58,906.59 = 24,790.70/x
3. Step 3: Cross multiply
   42,680.72x = 58,906.59 × 24,790.70
4. Step 4: Simplify right side
   42,680.72x = 1,460,335,655.01
5. Step 5: Solve for x
   x = 1,460,335,655.01/42,680.72
6. Step 6: Final answer
   x = 34,215.35