Finding the Fourth Proportional to 238,488.24, 357,748.92 and 80,663.34

Step by Step Solution

1. Step 1: Write the proportion equation
   238,488.24 : 357,748.92 = 80,663.34 : x
2. Step 2: Convert to fraction form
   238,488.24/357,748.92 = 80,663.34/x
3. Step 3: Cross multiply
   238,488.24x = 357,748.92 × 80,663.34
4. Step 4: Simplify right side
   238,488.24x = 28,857,222,768.59
5. Step 5: Solve for x
   x = 28,857,222,768.59/238,488.24
6. Step 6: Final answer
   x = 121,000.61