Finding the Fourth Proportional to 82,151.98, 113,387.30 and 51,918.01

Step by Step Solution

1. Step 1: Write the proportion equation
   82,151.98 : 113,387.30 = 51,918.01 : x
2. Step 2: Convert to fraction form
   82,151.98/113,387.30 = 51,918.01/x
3. Step 3: Cross multiply
   82,151.98x = 113,387.30 × 51,918.01
4. Step 4: Simplify right side
   82,151.98x = 5,886,842,975.27
5. Step 5: Solve for x
   x = 5,886,842,975.27/82,151.98
6. Step 6: Final answer
   x = 71,657.96