Finding the Fourth Proportional to 13,182,736.56, 18,189,234.23 and 7,956,592.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,182,736.56 : 18,189,234.23 = 7,956,592.47 : x
2. Step 2: Convert to fraction form
   13,182,736.56/18,189,234.23 = 7,956,592.47/x
3. Step 3: Cross multiply
   13,182,736.56x = 18,189,234.23 × 7,956,592.47
4. Step 4: Simplify right side
   13,182,736.56x = 144,724,324,109,484.25
5. Step 5: Solve for x
   x = 144,724,324,109,484.25/13,182,736.56
6. Step 6: Final answer
   x = 10,978,321.80