Finding the Fourth Proportional to 236,248.72, 353,978.59 and 166,002.28

Step by Step Solution

1. Step 1: Write the proportion equation
   236,248.72 : 353,978.59 = 166,002.28 : x
2. Step 2: Convert to fraction form
   236,248.72/353,978.59 = 166,002.28/x
3. Step 3: Cross multiply
   236,248.72x = 353,978.59 × 166,002.28
4. Step 4: Simplify right side
   236,248.72x = 58,761,253,011.19
5. Step 5: Solve for x
   x = 58,761,253,011.19/236,248.72
6. Step 6: Final answer
   x = 248,726.23