Finding the Fourth Proportional to 57,743.06, 86,614.52 and 42,047.96

Step by Step Solution

1. Step 1: Write the proportion equation
   57,743.06 : 86,614.52 = 42,047.96 : x
2. Step 2: Convert to fraction form
   57,743.06/86,614.52 = 42,047.96/x
3. Step 3: Cross multiply
   57,743.06x = 86,614.52 × 42,047.96
4. Step 4: Simplify right side
   57,743.06x = 3,641,963,229.07
5. Step 5: Solve for x
   x = 3,641,963,229.07/57,743.06
6. Step 6: Final answer
   x = 63,071.88