Finding the Fourth Proportional to 341,769.30, 468,216.18 and 328,991.10

Step by Step Solution

1. Step 1: Write the proportion equation
   341,769.30 : 468,216.18 = 328,991.10 : x
2. Step 2: Convert to fraction form
   341,769.30/468,216.18 = 328,991.10/x
3. Step 3: Cross multiply
   341,769.30x = 468,216.18 × 328,991.10
4. Step 4: Simplify right side
   341,769.30x = 154,038,956,096.00
5. Step 5: Solve for x
   x = 154,038,956,096.00/341,769.30
6. Step 6: Final answer
   x = 450,710.34