Finding the Fourth Proportional to 14,171,776.51, 19,557,692.52 and 7,978,951.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,171,776.51 : 19,557,692.52 = 7,978,951.14 : x
2. Step 2: Convert to fraction form
   14,171,776.51/19,557,692.52 = 7,978,951.14/x
3. Step 3: Cross multiply
   14,171,776.51x = 19,557,692.52 × 7,978,951.14
4. Step 4: Simplify right side
   14,171,776.51x = 156,049,872,930,435
5. Step 5: Solve for x
   x = 156,049,872,930,435/14,171,776.51
6. Step 6: Final answer
   x = 11,011,313.42