Finding the Fourth Proportional to 45,621.63, 68,436.50 and 16,039.71

Step by Step Solution

1. Step 1: Write the proportion equation
   45,621.63 : 68,436.50 = 16,039.71 : x
2. Step 2: Convert to fraction form
   45,621.63/68,436.50 = 16,039.71/x
3. Step 3: Cross multiply
   45,621.63x = 68,436.50 × 16,039.71
4. Step 4: Simplify right side
   45,621.63x = 1,097,701,533.22
5. Step 5: Solve for x
   x = 1,097,701,533.22/45,621.63
6. Step 6: Final answer
   x = 24,060.99