Finding the Fourth Proportional to 336,510.72, 463,439.88 and 329,162.40

Step by Step Solution

1. Step 1: Write the proportion equation
   336,510.72 : 463,439.88 = 329,162.40 : x
2. Step 2: Convert to fraction form
   336,510.72/463,439.88 = 329,162.40/x
3. Step 3: Cross multiply
   336,510.72x = 463,439.88 × 329,162.40
4. Step 4: Simplify right side
   336,510.72x = 152,546,983,156.51
5. Step 5: Solve for x
   x = 152,546,983,156.51/336,510.72
6. Step 6: Final answer
   x = 453,319.83