Finding the Fourth Proportional to 78,479.33, 117,603.20 and 46,425.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,479.33 : 117,603.20 = 46,425.25 : x
2. Step 2: Convert to fraction form
   78,479.33/117,603.20 = 46,425.25/x
3. Step 3: Cross multiply
   78,479.33x = 117,603.20 × 46,425.25
4. Step 4: Simplify right side
   78,479.33x = 5,459,758,223.87
5. Step 5: Solve for x
   x = 5,459,758,223.87/78,479.33
6. Step 6: Final answer
   x = 69,569.38