Finding the Fourth Proportional to 9,885,554.69, 13,635,020.99 and 9,072,384.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,885,554.69 : 13,635,020.99 = 9,072,384.35 : x
2. Step 2: Convert to fraction form
   9,885,554.69/13,635,020.99 = 9,072,384.35/x
3. Step 3: Cross multiply
   9,885,554.69x = 13,635,020.99 × 9,072,384.35
4. Step 4: Simplify right side
   9,885,554.69x = 123,702,150,996,103.38
5. Step 5: Solve for x
   x = 123,702,150,996,103.38/9,885,554.69
6. Step 6: Final answer
   x = 12,513,425.39