Finding the Fourth Proportional to 11,939,632.96, 17,907,699.78 and 5,872,736.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,939,632.96 : 17,907,699.78 = 5,872,736.20 : x
2. Step 2: Convert to fraction form
   11,939,632.96/17,907,699.78 = 5,872,736.20/x
3. Step 3: Cross multiply
   11,939,632.96x = 17,907,699.78 × 5,872,736.20
4. Step 4: Simplify right side
   11,939,632.96x = 105,167,196,756,738.05
5. Step 5: Solve for x
   x = 105,167,196,756,738.05/11,939,632.96
6. Step 6: Final answer
   x = 8,808,243.70