Finding the Fourth Proportional to 8,562,406.50, 12,841,644.34 and 5,105,124.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,562,406.50 : 12,841,644.34 = 5,105,124.48 : x
2. Step 2: Convert to fraction form
   8,562,406.50/12,841,644.34 = 5,105,124.48/x
3. Step 3: Cross multiply
   8,562,406.50x = 12,841,644.34 × 5,105,124.48
4. Step 4: Simplify right side
   8,562,406.50x = 65,558,192,883,587.45
5. Step 5: Solve for x
   x = 65,558,192,883,587.45/8,562,406.50
6. Step 6: Final answer
   x = 7,656,514.89