Finding the Fourth Proportional to 329,308.91, 493,996.23 and 89,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   329,308.91 : 493,996.23 = 89,426.72 : x
2. Step 2: Convert to fraction form
   329,308.91/493,996.23 = 89,426.72/x
3. Step 3: Cross multiply
   329,308.91x = 493,996.23 × 89,426.72
4. Step 4: Simplify right side
   329,308.91x = 44,176,460,071.28
5. Step 5: Solve for x
   x = 44,176,460,071.28/329,308.91
6. Step 6: Final answer
   x = 134,149.00