Finding the Fourth Proportional to 9,853,128.55, 13,603,715.47 and 8,818,845.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853,128.55 : 13,603,715.47 = 8,818,845.22 : x
2. Step 2: Convert to fraction form
   9,853,128.55/13,603,715.47 = 8,818,845.22/x
3. Step 3: Cross multiply
   9,853,128.55x = 13,603,715.47 × 8,818,845.22
4. Step 4: Simplify right side
   9,853,128.55x = 119,969,061,146,849.56
5. Step 5: Solve for x
   x = 119,969,061,146,849.56/9,853,128.55
6. Step 6: Final answer
   x = 12,175,732.87