Finding the Fourth Proportional to 78,365.28, 108,128.88 and 46,544.16

Step by Step Solution

1. Step 1: Write the proportion equation
   78,365.28 : 108,128.88 = 46,544.16 : x
2. Step 2: Convert to fraction form
   78,365.28/108,128.88 = 46,544.16/x
3. Step 3: Cross multiply
   78,365.28x = 108,128.88 × 46,544.16
4. Step 4: Simplify right side
   78,365.28x = 5,032,767,891.34
5. Step 5: Solve for x
   x = 5,032,767,891.34/78,365.28
6. Step 6: Final answer
   x = 64,221.91