Finding the Fourth Proportional to 70,613.40, 105,823.98 and 35,577.12

Step by Step Solution

1. Step 1: Write the proportion equation
   70,613.40 : 105,823.98 = 35,577.12 : x
2. Step 2: Convert to fraction form
   70,613.40/105,823.98 = 35,577.12/x
3. Step 3: Cross multiply
   70,613.40x = 105,823.98 × 35,577.12
4. Step 4: Simplify right side
   70,613.40x = 3,764,912,435.34
5. Step 5: Solve for x
   x = 3,764,912,435.34/70,613.40
6. Step 6: Final answer
   x = 53,317.25