Finding the Fourth Proportional to 107,443.03, 161,011.73 and 79,140.52

Step by Step Solution

1. Step 1: Write the proportion equation
   107,443.03 : 161,011.73 = 79,140.52 : x
2. Step 2: Convert to fraction form
   107,443.03/161,011.73 = 79,140.52/x
3. Step 3: Cross multiply
   107,443.03x = 161,011.73 × 79,140.52
4. Step 4: Simplify right side
   107,443.03x = 12,742,552,038.30
5. Step 5: Solve for x
   x = 12,742,552,038.30/107,443.03
6. Step 6: Final answer
   x = 118,598.22