Finding the Fourth Proportional to 78,317.73, 108,078.63 and 46,493.01

Step by Step Solution

1. Step 1: Write the proportion equation
   78,317.73 : 108,078.63 = 46,493.01 : x
2. Step 2: Convert to fraction form
   78,317.73/108,078.63 = 46,493.01/x
3. Step 3: Cross multiply
   78,317.73x = 108,078.63 × 46,493.01
4. Step 4: Simplify right side
   78,317.73x = 5,024,900,825.38
5. Step 5: Solve for x
   x = 5,024,900,825.38/78,317.73
6. Step 6: Final answer
   x = 64,160.45