Finding the Fourth Proportional to 308,576.72, 462,698.76 and 166,498.16

Step by Step Solution

1. Step 1: Write the proportion equation
   308,576.72 : 462,698.76 = 166,498.16 : x
2. Step 2: Convert to fraction form
   308,576.72/462,698.76 = 166,498.16/x
3. Step 3: Cross multiply
   308,576.72x = 462,698.76 × 166,498.16
4. Step 4: Simplify right side
   308,576.72x = 77,038,492,174.28
5. Step 5: Solve for x
   x = 77,038,492,174.28/308,576.72
6. Step 6: Final answer
   x = 249,657.50