Finding the Fourth Proportional to 161,760.52, 242,673.59 and 56,653.30

Step by Step Solution

1. Step 1: Write the proportion equation
   161,760.52 : 242,673.59 = 56,653.30 : x
2. Step 2: Convert to fraction form
   161,760.52/242,673.59 = 56,653.30/x
3. Step 3: Cross multiply
   161,760.52x = 242,673.59 × 56,653.30
4. Step 4: Simplify right side
   161,760.52x = 13,748,259,696.35
5. Step 5: Solve for x
   x = 13,748,259,696.35/161,760.52
6. Step 6: Final answer
   x = 84,991.44