Finding the Fourth Proportional to 62,719.02, 86,592.78 and 38,871

Step by Step Solution

1. Step 1: Write the proportion equation
   62,719.02 : 86,592.78 = 38,871 : x
2. Step 2: Convert to fraction form
   62,719.02/86,592.78 = 38,871/x
3. Step 3: Cross multiply
   62,719.02x = 86,592.78 × 38,871
4. Step 4: Simplify right side
   62,719.02x = 3,365,947,951.38
5. Step 5: Solve for x
   x = 3,365,947,951.38/62,719.02
6. Step 6: Final answer
   x = 53,667.10