Finding the Fourth Proportional to 166,661.96, 249,992.90 and 42,002.96

Step by Step Solution

1. Step 1: Write the proportion equation
   166,661.96 : 249,992.90 = 42,002.96 : x
2. Step 2: Convert to fraction form
   166,661.96/249,992.90 = 42,002.96/x
3. Step 3: Cross multiply
   166,661.96x = 249,992.90 × 42,002.96
4. Step 4: Simplify right side
   166,661.96x = 10,500,441,778.98
5. Step 5: Solve for x
   x = 10,500,441,778.98/166,661.96
6. Step 6: Final answer
   x = 63,004.43