Finding the Fourth Proportional to 107,448.22, 161,160.94 and 28,570.42

Step by Step Solution

1. Step 1: Write the proportion equation
   107,448.22 : 161,160.94 = 28,570.42 : x
2. Step 2: Convert to fraction form
   107,448.22/161,160.94 = 28,570.42/x
3. Step 3: Cross multiply
   107,448.22x = 161,160.94 × 28,570.42
4. Step 4: Simplify right side
   107,448.22x = 4,604,435,980.56
5. Step 5: Solve for x
   x = 4,604,435,980.56/107,448.22
6. Step 6: Final answer
   x = 42,852.60