Finding the Fourth Proportional to 42,803.33, 64,200.12 and 16,505.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,803.33 : 64,200.12 = 16,505.87 : x
2. Step 2: Convert to fraction form
   42,803.33/64,200.12 = 16,505.87/x
3. Step 3: Cross multiply
   42,803.33x = 64,200.12 × 16,505.87
4. Step 4: Simplify right side
   42,803.33x = 1,059,678,513.70
5. Step 5: Solve for x
   x = 1,059,678,513.70/42,803.33
6. Step 6: Final answer
   x = 24,756.92