Finding the Fourth Proportional to 70,549.18, 105,839.93 and 30,574.88

Step by Step Solution

1. Step 1: Write the proportion equation
   70,549.18 : 105,839.93 = 30,574.88 : x
2. Step 2: Convert to fraction form
   70,549.18/105,839.93 = 30,574.88/x
3. Step 3: Cross multiply
   70,549.18x = 105,839.93 × 30,574.88
4. Step 4: Simplify right side
   70,549.18x = 3,236,043,103.10
5. Step 5: Solve for x
   x = 3,236,043,103.10/70,549.18
6. Step 6: Final answer
   x = 45,869.32