Finding the Fourth Proportional to 16,513,770.72, 22,789,056.40 and 9,171,602.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513,770.72 : 22,789,056.40 = 9,171,602.54 : x
2. Step 2: Convert to fraction form
   16,513,770.72/22,789,056.40 = 9,171,602.54/x
3. Step 3: Cross multiply
   16,513,770.72x = 22,789,056.40 × 9,171,602.54
4. Step 4: Simplify right side
   16,513,770.72x = 209,012,167,562,443.22
5. Step 5: Solve for x
   x = 209,012,167,562,443.22/16,513,770.72
6. Step 6: Final answer
   x = 12,656,840.83