Finding the Fourth Proportional to 62,819.28, 86,690.16 and 34,524.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,819.28 : 86,690.16 = 34,524.72 : x
2. Step 2: Convert to fraction form
   62,819.28/86,690.16 = 34,524.72/x
3. Step 3: Cross multiply
   62,819.28x = 86,690.16 × 34,524.72
4. Step 4: Simplify right side
   62,819.28x = 2,992,953,500.76
5. Step 5: Solve for x
   x = 2,992,953,500.76/62,819.28
6. Step 6: Final answer
   x = 47,643.87