Finding the Fourth Proportional to 464,300.10, 696,450.15 and 464,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   464,300.10 : 696,450.15 = 464,300.10 : x
2. Step 2: Convert to fraction form
   464,300.10/696,450.15 = 464,300.10/x
3. Step 3: Cross multiply
   464,300.10x = 696,450.15 × 464,300.10
4. Step 4: Simplify right side
   464,300.10x = 323,361,874,290.02
5. Step 5: Solve for x
   x = 323,361,874,290.02/464,300.10
6. Step 6: Final answer
   x = 696,450.15