Finding the Fourth Proportional to 81,960.64, 113,105.52 and 46,150.80

Step by Step Solution

1. Step 1: Write the proportion equation
   81,960.64 : 113,105.52 = 46,150.80 : x
2. Step 2: Convert to fraction form
   81,960.64/113,105.52 = 46,150.80/x
3. Step 3: Cross multiply
   81,960.64x = 113,105.52 × 46,150.80
4. Step 4: Simplify right side
   81,960.64x = 5,219,910,232.42
5. Step 5: Solve for x
   x = 5,219,910,232.42/81,960.64
6. Step 6: Final answer
   x = 63,688.01