Finding the Fourth Proportional to 329,096.82, 493,663.61 and 92,421

Step by Step Solution

1. Step 1: Write the proportion equation
   329,096.82 : 493,663.61 = 92,421 : x
2. Step 2: Convert to fraction form
   329,096.82/493,663.61 = 92,421/x
3. Step 3: Cross multiply
   329,096.82x = 493,663.61 × 92,421
4. Step 4: Simplify right side
   329,096.82x = 45,624,884,730.86
5. Step 5: Solve for x
   x = 45,624,884,730.86/329,096.82
6. Step 6: Final answer
   x = 138,636.66