Finding the Fourth Proportional to 62,820.72, 86,769.54 and 46,975.68

Step by Step Solution

1. Step 1: Write the proportion equation
   62,820.72 : 86,769.54 = 46,975.68 : x
2. Step 2: Convert to fraction form
   62,820.72/86,769.54 = 46,975.68/x
3. Step 3: Cross multiply
   62,820.72x = 86,769.54 × 46,975.68
4. Step 4: Simplify right side
   62,820.72x = 4,076,058,144.79
5. Step 5: Solve for x
   x = 4,076,058,144.79/62,820.72
6. Step 6: Final answer
   x = 64,883.98