Finding the Fourth Proportional to 105,084.09, 157,570.47 and 45,850.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,084.09 : 157,570.47 = 45,850.59 : x
2. Step 2: Convert to fraction form
   105,084.09/157,570.47 = 45,850.59/x
3. Step 3: Cross multiply
   105,084.09x = 157,570.47 × 45,850.59
4. Step 4: Simplify right side
   105,084.09x = 7,224,699,016.08
5. Step 5: Solve for x
   x = 7,224,699,016.08/105,084.09
6. Step 6: Final answer
   x = 68,751.60