Finding the Fourth Proportional to 978,423.30, 1,465,302.15 and 978,423.30

Step by Step Solution

1. Step 1: Write the proportion equation
   978,423.30 : 1,465,302.15 = 978,423.30 : x
2. Step 2: Convert to fraction form
   978,423.30/1,465,302.15 = 978,423.30/x
3. Step 3: Cross multiply
   978,423.30x = 1,465,302.15 × 978,423.30
4. Step 4: Simplify right side
   978,423.30x = 1,433,685,765,100.10
5. Step 5: Solve for x
   x = 1,433,685,765,100.10/978,423.30
6. Step 6: Final answer
   x = 1,465,302.15