Finding the Fourth Proportional to 78,812, 108,745.68 and 46,983.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,812 : 108,745.68 = 46,983.86 : x
2. Step 2: Convert to fraction form
   78,812/108,745.68 = 46,983.86/x
3. Step 3: Cross multiply
   78,812x = 108,745.68 × 46,983.86
4. Step 4: Simplify right side
   78,812x = 5,109,291,804.72
5. Step 5: Solve for x
   x = 5,109,291,804.72/78,812
6. Step 6: Final answer
   x = 64,828.86