Finding the Fourth Proportional to 71,131.72, 98,164.61 and 40,917.01

Step by Step Solution

1. Step 1: Write the proportion equation
   71,131.72 : 98,164.61 = 40,917.01 : x
2. Step 2: Convert to fraction form
   71,131.72/98,164.61 = 40,917.01/x
3. Step 3: Cross multiply
   71,131.72x = 98,164.61 × 40,917.01
4. Step 4: Simplify right side
   71,131.72x = 4,016,602,329.02
5. Step 5: Solve for x
   x = 4,016,602,329.02/71,131.72
6. Step 6: Final answer
   x = 56,467.11