Finding the Fourth Proportional to 13,581,796.38, 18,743,233.59 and 7,470,385.26

Step by Step Solution

1. Step 1: Write the proportion equation
   13,581,796.38 : 18,743,233.59 = 7,470,385.26 : x
2. Step 2: Convert to fraction form
   13,581,796.38/18,743,233.59 = 7,470,385.26/x
3. Step 3: Cross multiply
   13,581,796.38x = 18,743,233.59 × 7,470,385.26
4. Step 4: Simplify right side
   13,581,796.38x = 140,019,175,935,472.88
5. Step 5: Solve for x
   x = 140,019,175,935,472.88/13,581,796.38
6. Step 6: Final answer
   x = 10,309,326.69