Finding the Fourth Proportional to 105,423.75, 158,131.53 and 46,260

Step by Step Solution

1. Step 1: Write the proportion equation
   105,423.75 : 158,131.53 = 46,260 : x
2. Step 2: Convert to fraction form
   105,423.75/158,131.53 = 46,260/x
3. Step 3: Cross multiply
   105,423.75x = 158,131.53 × 46,260
4. Step 4: Simplify right side
   105,423.75x = 7,315,164,577.80
5. Step 5: Solve for x
   x = 7,315,164,577.80/105,423.75
6. Step 6: Final answer
   x = 69,388.20