Finding the Fourth Proportional to 82,137.20, 113,369.99 and 46,347.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,137.20 : 113,369.99 = 46,347.86 : x
2. Step 2: Convert to fraction form
   82,137.20/113,369.99 = 46,347.86/x
3. Step 3: Cross multiply
   82,137.20x = 113,369.99 × 46,347.86
4. Step 4: Simplify right side
   82,137.20x = 5,254,456,424.72
5. Step 5: Solve for x
   x = 5,254,456,424.72/82,137.20
6. Step 6: Final answer
   x = 63,971.70