Finding the Fourth Proportional to 9,616,836.21, 13,271,109.17 and 5,486,760.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,616,836.21 : 13,271,109.17 = 5,486,760.69 : x
2. Step 2: Convert to fraction form
   9,616,836.21/13,271,109.17 = 5,486,760.69/x
3. Step 3: Cross multiply
   9,616,836.21x = 13,271,109.17 × 5,486,760.69
4. Step 4: Simplify right side
   9,616,836.21x = 72,815,400,079,220.72
5. Step 5: Solve for x
   x = 72,815,400,079,220.72/9,616,836.21
6. Step 6: Final answer
   x = 7,571,658.55