Finding the Fourth Proportional to 161,667.88, 242,472.84 and 56,516.92

Step by Step Solution

1. Step 1: Write the proportion equation
   161,667.88 : 242,472.84 = 56,516.92 : x
2. Step 2: Convert to fraction form
   161,667.88/242,472.84 = 56,516.92/x
3. Step 3: Cross multiply
   161,667.88x = 242,472.84 × 56,516.92
4. Step 4: Simplify right side
   161,667.88x = 13,703,818,100.45
5. Step 5: Solve for x
   x = 13,703,818,100.45/161,667.88
6. Step 6: Final answer
   x = 84,765.25