Finding the Fourth Proportional to 13,614,018.08, 18,787,348.86 and 7,419,066.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,614,018.08 : 18,787,348.86 = 7,419,066.49 : x
2. Step 2: Convert to fraction form
   13,614,018.08/18,787,348.86 = 7,419,066.49/x
3. Step 3: Cross multiply
   13,614,018.08x = 18,787,348.86 × 7,419,066.49
4. Step 4: Simplify right side
   13,614,018.08x = 139,384,590,326,070.38
5. Step 5: Solve for x
   x = 139,384,590,326,070.38/13,614,018.08
6. Step 6: Final answer
   x = 10,238,313.89