Finding the Fourth Proportional to 926,900.10, 1,300,459.50 and 926,900.10

Step by Step Solution

1. Step 1: Write the proportion equation
   926,900.10 : 1,300,459.50 = 926,900.10 : x
2. Step 2: Convert to fraction form
   926,900.10/1,300,459.50 = 926,900.10/x
3. Step 3: Cross multiply
   926,900.10x = 1,300,459.50 × 926,900.10
4. Step 4: Simplify right side
   926,900.10x = 1,205,396,040,595.95
5. Step 5: Solve for x
   x = 1,205,396,040,595.95/926,900.10
6. Step 6: Final answer
   x = 1,300,459.50