Finding the Fourth Proportional to 107,210.27, 160,612.41 and 71,564.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,210.27 : 160,612.41 = 71,564.10 : x
2. Step 2: Convert to fraction form
   107,210.27/160,612.41 = 71,564.10/x
3. Step 3: Cross multiply
   107,210.27x = 160,612.41 × 71,564.10
4. Step 4: Simplify right side
   107,210.27x = 11,494,082,570.48
5. Step 5: Solve for x
   x = 11,494,082,570.48/107,210.27
6. Step 6: Final answer
   x = 107,210.65