Finding the Fourth Proportional to 13,620,369.51, 18,796,238.33 and 7,509,016.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,620,369.51 : 18,796,238.33 = 7,509,016.71 : x
2. Step 2: Convert to fraction form
   13,620,369.51/18,796,238.33 = 7,509,016.71/x
3. Step 3: Cross multiply
   13,620,369.51x = 18,796,238.33 × 7,509,016.71
4. Step 4: Simplify right side
   13,620,369.51x = 141,141,267,667,567.41
5. Step 5: Solve for x
   x = 141,141,267,667,567.41/13,620,369.51
6. Step 6: Final answer
   x = 10,362,513.85