Finding the Fourth Proportional to 42,801.33, 64,207.47 and 16,513.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,801.33 : 64,207.47 = 16,513.59 : x
2. Step 2: Convert to fraction form
   42,801.33/64,207.47 = 16,513.59/x
3. Step 3: Cross multiply
   42,801.33x = 64,207.47 × 16,513.59
4. Step 4: Simplify right side
   42,801.33x = 1,060,295,834.52
5. Step 5: Solve for x
   x = 1,060,295,834.52/42,801.33
6. Step 6: Final answer
   x = 24,772.50