Finding the Fourth Proportional to 107,965.30, 161,883.15 and 55,477.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,965.30 : 161,883.15 = 55,477.30 : x
2. Step 2: Convert to fraction form
   107,965.30/161,883.15 = 55,477.30/x
3. Step 3: Cross multiply
   107,965.30x = 161,883.15 × 55,477.30
4. Step 4: Simplify right side
   107,965.30x = 8,980,840,077.50
5. Step 5: Solve for x
   x = 8,980,840,077.50/107,965.30
6. Step 6: Final answer
   x = 83,182.65