Finding the Fourth Proportional to 70,621.50, 105,842.16 and 33,098.82

Step by Step Solution

1. Step 1: Write the proportion equation
   70,621.50 : 105,842.16 = 33,098.82 : x
2. Step 2: Convert to fraction form
   70,621.50/105,842.16 = 33,098.82/x
3. Step 3: Cross multiply
   70,621.50x = 105,842.16 × 33,098.82
4. Step 4: Simplify right side
   70,621.50x = 3,503,250,602.25
5. Step 5: Solve for x
   x = 3,503,250,602.25/70,621.50
6. Step 6: Final answer
   x = 49,606.01