Finding the Fourth Proportional to 70,535.48, 105,819.33 and 30,561.10

Step by Step Solution

1. Step 1: Write the proportion equation
   70,535.48 : 105,819.33 = 30,561.10 : x
2. Step 2: Convert to fraction form
   70,535.48/105,819.33 = 30,561.10/x
3. Step 3: Cross multiply
   70,535.48x = 105,819.33 × 30,561.10
4. Step 4: Simplify right side
   70,535.48x = 3,233,954,973.26
5. Step 5: Solve for x
   x = 3,233,954,973.26/70,535.48
6. Step 6: Final answer
   x = 45,848.63