Finding the Fourth Proportional to 482,826.72, 666,423.32 and 329,926.72

Step by Step Solution

1. Step 1: Write the proportion equation
   482,826.72 : 666,423.32 = 329,926.72 : x
2. Step 2: Convert to fraction form
   482,826.72/666,423.32 = 329,926.72/x
3. Step 3: Cross multiply
   482,826.72x = 666,423.32 × 329,926.72
4. Step 4: Simplify right side
   482,826.72x = 219,870,860,816.72
5. Step 5: Solve for x
   x = 219,870,860,816.72/482,826.72
6. Step 6: Final answer
   x = 455,382.54