Finding the Fourth Proportional to 42,804.27, 59,077.98 and 28,681.65

Step by Step Solution

1. Step 1: Write the proportion equation
   42,804.27 : 59,077.98 = 28,681.65 : x
2. Step 2: Convert to fraction form
   42,804.27/59,077.98 = 28,681.65/x
3. Step 3: Cross multiply
   42,804.27x = 59,077.98 × 28,681.65
4. Step 4: Simplify right side
   42,804.27x = 1,694,453,945.07
5. Step 5: Solve for x
   x = 1,694,453,945.07/42,804.27
6. Step 6: Final answer
   x = 39,586.10