Finding the Fourth Proportional to 42,280.65, 63,451.76 and 34,059.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,280.65 : 63,451.76 = 34,059.96 : x
2. Step 2: Convert to fraction form
   42,280.65/63,451.76 = 34,059.96/x
3. Step 3: Cross multiply
   42,280.65x = 63,451.76 × 34,059.96
4. Step 4: Simplify right side
   42,280.65x = 2,161,164,237.23
5. Step 5: Solve for x
   x = 2,161,164,237.23/42,280.65
6. Step 6: Final answer
   x = 51,114.74