Finding the Fourth Proportional to 49,897.83, 74,786.67 and 21,805.86

Step by Step Solution

1. Step 1: Write the proportion equation
   49,897.83 : 74,786.67 = 21,805.86 : x
2. Step 2: Convert to fraction form
   49,897.83/74,786.67 = 21,805.86/x
3. Step 3: Cross multiply
   49,897.83x = 74,786.67 × 21,805.86
4. Step 4: Simplify right side
   49,897.83x = 1,630,787,655.89
5. Step 5: Solve for x
   x = 1,630,787,655.89/49,897.83
6. Step 6: Final answer
   x = 32,682.54