Finding the Fourth Proportional to 70,641.82, 105,821.16 and 42,546.16

Step by Step Solution

1. Step 1: Write the proportion equation
   70,641.82 : 105,821.16 = 42,546.16 : x
2. Step 2: Convert to fraction form
   70,641.82/105,821.16 = 42,546.16/x
3. Step 3: Cross multiply
   70,641.82x = 105,821.16 × 42,546.16
4. Step 4: Simplify right side
   70,641.82x = 4,502,284,004.75
5. Step 5: Solve for x
   x = 4,502,284,004.75/70,641.82
6. Step 6: Final answer
   x = 63,733.98