Finding the Fourth Proportional to 62,819.78, 86,690.32 and 34,524.86

Step by Step Solution

1. Step 1: Write the proportion equation
   62,819.78 : 86,690.32 = 34,524.86 : x
2. Step 2: Convert to fraction form
   62,819.78/86,690.32 = 34,524.86/x
3. Step 3: Cross multiply
   62,819.78x = 86,690.32 × 34,524.86
4. Step 4: Simplify right side
   62,819.78x = 2,992,970,641.59
5. Step 5: Solve for x
   x = 2,992,970,641.59/62,819.78
6. Step 6: Final answer
   x = 47,643.77