Finding the Fourth Proportional to 42,801.95, 64,213.86 and 16,499.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,801.95 : 64,213.86 = 16,499.63 : x
2. Step 2: Convert to fraction form
   42,801.95/64,213.86 = 16,499.63/x
3. Step 3: Cross multiply
   42,801.95x = 64,213.86 × 16,499.63
4. Step 4: Simplify right side
   42,801.95x = 1,059,504,930.87
5. Step 5: Solve for x
   x = 1,059,504,930.87/42,801.95
6. Step 6: Final answer
   x = 24,753.66