Finding the Fourth Proportional to 42,980.72, 59,340.92 and 35,042

Step by Step Solution

1. Step 1: Write the proportion equation
   42,980.72 : 59,340.92 = 35,042 : x
2. Step 2: Convert to fraction form
   42,980.72/59,340.92 = 35,042/x
3. Step 3: Cross multiply
   42,980.72x = 59,340.92 × 35,042
4. Step 4: Simplify right side
   42,980.72x = 2,079,424,518.64
5. Step 5: Solve for x
   x = 2,079,424,518.64/42,980.72
6. Step 6: Final answer
   x = 48,380.40