Finding the Fourth Proportional to 78,805.16, 108,736.22 and 46,977.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,805.16 : 108,736.22 = 46,977.02 : x
2. Step 2: Convert to fraction form
   78,805.16/108,736.22 = 46,977.02/x
3. Step 3: Cross multiply
   78,805.16x = 108,736.22 × 46,977.02
4. Step 4: Simplify right side
   78,805.16x = 5,108,103,155.43
5. Step 5: Solve for x
   x = 5,108,103,155.43/78,805.16
6. Step 6: Final answer
   x = 64,819.40