Finding the Fourth Proportional to 62,872.88, 86,764.56 and 34,578.32

Step by Step Solution

1. Step 1: Write the proportion equation
   62,872.88 : 86,764.56 = 34,578.32 : x
2. Step 2: Convert to fraction form
   62,872.88/86,764.56 = 34,578.32/x
3. Step 3: Cross multiply
   62,872.88x = 86,764.56 × 34,578.32
4. Step 4: Simplify right side
   62,872.88x = 3,000,172,720.34
5. Step 5: Solve for x
   x = 3,000,172,720.34/62,872.88
6. Step 6: Final answer
   x = 47,718.07