Finding the Fourth Proportional to 11,415,362.67, 17,123,355.59 and 3,328,142.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,415,362.67 : 17,123,355.59 = 3,328,142.85 : x
2. Step 2: Convert to fraction form
   11,415,362.67/17,123,355.59 = 3,328,142.85/x
3. Step 3: Cross multiply
   11,415,362.67x = 17,123,355.59 × 3,328,142.85
4. Step 4: Simplify right side
   11,415,362.67x = 56,988,973,458,225.32
5. Step 5: Solve for x
   x = 56,988,973,458,225.32/11,415,362.67
6. Step 6: Final answer
   x = 4,992,305.12