Finding the Fourth Proportional to 12,807,786.77, 17,674,885.25 and 7,006,443.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,786.77 : 17,674,885.25 = 7,006,443.96 : x
2. Step 2: Convert to fraction form
   12,807,786.77/17,674,885.25 = 7,006,443.96/x
3. Step 3: Cross multiply
   12,807,786.77x = 17,674,885.25 × 7,006,443.96
4. Step 4: Simplify right side
   12,807,786.77x = 123,838,092,928,516.72
5. Step 5: Solve for x
   x = 123,838,092,928,516.72/12,807,786.77
6. Step 6: Final answer
   x = 9,668,968.97