Finding the Fourth Proportional to 9,042,920.48, 12,476,143.89 and 5,603,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,042,920.48 : 12,476,143.89 = 5,603,906.72 : x
2. Step 2: Convert to fraction form
   9,042,920.48/12,476,143.89 = 5,603,906.72/x
3. Step 3: Cross multiply
   9,042,920.48x = 12,476,143.89 × 5,603,906.72
4. Step 4: Simplify right side
   9,042,920.48x = 69,915,146,584,857.94
5. Step 5: Solve for x
   x = 69,915,146,584,857.94/9,042,920.48
6. Step 6: Final answer
   x = 7,731,478.65