Finding the Fourth Proportional to 161,460.28, 242,222.82 and 56,251

Step by Step Solution

1. Step 1: Write the proportion equation
   161,460.28 : 242,222.82 = 56,251 : x
2. Step 2: Convert to fraction form
   161,460.28/242,222.82 = 56,251/x
3. Step 3: Cross multiply
   161,460.28x = 242,222.82 × 56,251
4. Step 4: Simplify right side
   161,460.28x = 13,625,275,847.82
5. Step 5: Solve for x
   x = 13,625,275,847.82/161,460.28
6. Step 6: Final answer
   x = 84,387.79