Finding the Fourth Proportional to 78,673.32, 108,554.20 and 46,418.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,673.32 : 108,554.20 = 46,418.12 : x
2. Step 2: Convert to fraction form
   78,673.32/108,554.20 = 46,418.12/x
3. Step 3: Cross multiply
   78,673.32x = 108,554.20 × 46,418.12
4. Step 4: Simplify right side
   78,673.32x = 5,038,881,882.10
5. Step 5: Solve for x
   x = 5,038,881,882.10/78,673.32
6. Step 6: Final answer
   x = 64,048.17