Finding the Fourth Proportional to 8,499,099.34, 11,728,415.82 and 4,631,538.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499,099.34 : 11,728,415.82 = 4,631,538.07 : x
2. Step 2: Convert to fraction form
   8,499,099.34/11,728,415.82 = 4,631,538.07/x
3. Step 3: Cross multiply
   8,499,099.34x = 11,728,415.82 × 4,631,538.07
4. Step 4: Simplify right side
   8,499,099.34x = 54,320,604,371,120.27
5. Step 5: Solve for x
   x = 54,320,604,371,120.27/8,499,099.34
6. Step 6: Final answer
   x = 6,391,336.56