Finding the Fourth Proportional to 107,442.03, 161,010.23 and 79,139.52

Step by Step Solution

1. Step 1: Write the proportion equation
   107,442.03 : 161,010.23 = 79,139.52 : x
2. Step 2: Convert to fraction form
   107,442.03/161,010.23 = 79,139.52/x
3. Step 3: Cross multiply
   107,442.03x = 161,010.23 × 79,139.52
4. Step 4: Simplify right side
   107,442.03x = 12,742,272,317.29
5. Step 5: Solve for x
   x = 12,742,272,317.29/107,442.03
6. Step 6: Final answer
   x = 118,596.72