Finding the Fourth Proportional to 13,656,443.72, 18,845,669.39 and 7,461,357.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,656,443.72 : 18,845,669.39 = 7,461,357.11 : x
2. Step 2: Convert to fraction form
   13,656,443.72/18,845,669.39 = 7,461,357.11/x
3. Step 3: Cross multiply
   13,656,443.72x = 18,845,669.39 × 7,461,357.11
4. Step 4: Simplify right side
   13,656,443.72x = 140,614,269,164,250.75
5. Step 5: Solve for x
   x = 140,614,269,164,250.75/13,656,443.72
6. Step 6: Final answer
   x = 10,296,551.00