Finding the Fourth Proportional to 107,443.10, 161,109.28 and 48,228.02

Step by Step Solution

1. Step 1: Write the proportion equation
   107,443.10 : 161,109.28 = 48,228.02 : x
2. Step 2: Convert to fraction form
   107,443.10/161,109.28 = 48,228.02/x
3. Step 3: Cross multiply
   107,443.10x = 161,109.28 × 48,228.02
4. Step 4: Simplify right side
   107,443.10x = 7,769,980,651.91
5. Step 5: Solve for x
   x = 7,769,980,651.91/107,443.10
6. Step 6: Final answer
   x = 72,317.17