Finding the Fourth Proportional to 81,946.69, 113,088.57 and 46,138.02

Step by Step Solution

1. Step 1: Write the proportion equation
   81,946.69 : 113,088.57 = 46,138.02 : x
2. Step 2: Convert to fraction form
   81,946.69/113,088.57 = 46,138.02/x
3. Step 3: Cross multiply
   81,946.69x = 113,088.57 × 46,138.02
4. Step 4: Simplify right side
   81,946.69x = 5,217,682,704.43
5. Step 5: Solve for x
   x = 5,217,682,704.43/81,946.69
6. Step 6: Final answer
   x = 63,671.67