Finding the Fourth Proportional to 453,653.34, 680,086.35 and 228,826.10

Step by Step Solution

1. Step 1: Write the proportion equation
   453,653.34 : 680,086.35 = 228,826.10 : x
2. Step 2: Convert to fraction form
   453,653.34/680,086.35 = 228,826.10/x
3. Step 3: Cross multiply
   453,653.34x = 680,086.35 × 228,826.10
4. Step 4: Simplify right side
   453,653.34x = 155,621,503,733.30
5. Step 5: Solve for x
   x = 155,621,503,733.30/453,653.34
6. Step 6: Final answer
   x = 343,040.58