Finding the Fourth Proportional to 9,665,677.41, 13,326,252.57 and 7,916,904.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665,677.41 : 13,326,252.57 = 7,916,904.42 : x
2. Step 2: Convert to fraction form
   9,665,677.41/13,326,252.57 = 7,916,904.42/x
3. Step 3: Cross multiply
   9,665,677.41x = 13,326,252.57 × 7,916,904.42
4. Step 4: Simplify right side
   9,665,677.41x = 105,502,667,873,469.36
5. Step 5: Solve for x
   x = 105,502,667,873,469.36/9,665,677.41
6. Step 6: Final answer
   x = 10,915,186.12