Finding the Fourth Proportional to 70,567.11, 105,900.29 and 33,128.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,567.11 : 105,900.29 = 33,128.42 : x
2. Step 2: Convert to fraction form
   70,567.11/105,900.29 = 33,128.42/x
3. Step 3: Cross multiply
   70,567.11x = 105,900.29 × 33,128.42
4. Step 4: Simplify right side
   70,567.11x = 3,508,308,590.10
5. Step 5: Solve for x
   x = 3,508,308,590.10/70,567.11
6. Step 6: Final answer
   x = 49,715.92