Finding the Fourth Proportional to 42,826.47, 64,222.70 and 16,514.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,826.47 : 64,222.70 = 16,514.43 : x
2. Step 2: Convert to fraction form
   42,826.47/64,222.70 = 16,514.43/x
3. Step 3: Cross multiply
   42,826.47x = 64,222.70 × 16,514.43
4. Step 4: Simplify right side
   42,826.47x = 1,060,601,200.99
5. Step 5: Solve for x
   x = 1,060,601,200.99/42,826.47
6. Step 6: Final answer
   x = 24,765.09