Finding the Fourth Proportional to 245,760.16, 368,743.92 and 146,110.72

Step by Step Solution

1. Step 1: Write the proportion equation
   245,760.16 : 368,743.92 = 146,110.72 : x
2. Step 2: Convert to fraction form
   245,760.16/368,743.92 = 146,110.72/x
3. Step 3: Cross multiply
   245,760.16x = 368,743.92 × 146,110.72
4. Step 4: Simplify right side
   245,760.16x = 53,877,439,646.82
5. Step 5: Solve for x
   x = 53,877,439,646.82/245,760.16
6. Step 6: Final answer
   x = 219,227.72