Finding the Fourth Proportional to 11,428,227.81, 17,131,406.72 and 4,237,838.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,428,227.81 : 17,131,406.72 = 4,237,838.37 : x
2. Step 2: Convert to fraction form
   11,428,227.81/17,131,406.72 = 4,237,838.37/x
3. Step 3: Cross multiply
   11,428,227.81x = 17,131,406.72 × 4,237,838.37
4. Step 4: Simplify right side
   11,428,227.81x = 72,600,132,708,902.66
5. Step 5: Solve for x
   x = 72,600,132,708,902.66/11,428,227.81
6. Step 6: Final answer
   x = 6,352,702.62