Finding the Fourth Proportional to 62,979.48, 86,915.61 and 34,685.16

Step by Step Solution

1. Step 1: Write the proportion equation
   62,979.48 : 86,915.61 = 34,685.16 : x
2. Step 2: Convert to fraction form
   62,979.48/86,915.61 = 34,685.16/x
3. Step 3: Cross multiply
   62,979.48x = 86,915.61 × 34,685.16
4. Step 4: Simplify right side
   62,979.48x = 3,014,681,839.35
5. Step 5: Solve for x
   x = 3,014,681,839.35/62,979.48
6. Step 6: Final answer
   x = 47,867.68