Finding the Fourth Proportional to 9,853,128.05, 13,603,714.78 and 8,818,844.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853,128.05 : 13,603,714.78 = 8,818,844.72 : x
2. Step 2: Convert to fraction form
   9,853,128.05/13,603,714.78 = 8,818,844.72/x
3. Step 3: Cross multiply
   9,853,128.05x = 13,603,714.78 × 8,818,844.72
4. Step 4: Simplify right side
   9,853,128.05x = 119,969,048,259,988.97
5. Step 5: Solve for x
   x = 119,969,048,259,988.97/9,853,128.05
6. Step 6: Final answer
   x = 12,175,732.18