Finding the Fourth Proportional to 161,969.88, 242,983.32 and 55,328.76

Step by Step Solution

1. Step 1: Write the proportion equation
   161,969.88 : 242,983.32 = 55,328.76 : x
2. Step 2: Convert to fraction form
   161,969.88/242,983.32 = 55,328.76/x
3. Step 3: Cross multiply
   161,969.88x = 242,983.32 × 55,328.76
4. Step 4: Simplify right side
   161,969.88x = 13,443,965,796.28
5. Step 5: Solve for x
   x = 13,443,965,796.28/161,969.88
6. Step 6: Final answer
   x = 83,002.88