Finding the Fourth Proportional to 13,358,964.69, 18,435,373.61 and 7,557,626.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,358,964.69 : 18,435,373.61 = 7,557,626.43 : x
2. Step 2: Convert to fraction form
   13,358,964.69/18,435,373.61 = 7,557,626.43/x
3. Step 3: Cross multiply
   13,358,964.69x = 18,435,373.61 × 7,557,626.43
4. Step 4: Simplify right side
   13,358,964.69x = 139,327,666,804,072.38
5. Step 5: Solve for x
   x = 139,327,666,804,072.38/13,358,964.69
6. Step 6: Final answer
   x = 10,429,525.79