Finding the Fourth Proportional to 10,555,481.22, 14,559,053.18 and 9,687,120.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,555,481.22 : 14,559,053.18 = 9,687,120.72 : x
2. Step 2: Convert to fraction form
   10,555,481.22/14,559,053.18 = 9,687,120.72/x
3. Step 3: Cross multiply
   10,555,481.22x = 14,559,053.18 × 9,687,120.72
4. Step 4: Simplify right side
   10,555,481.22x = 141,035,305,675,124.31
5. Step 5: Solve for x
   x = 141,035,305,675,124.31/10,555,481.22
6. Step 6: Final answer
   x = 13,361,333.58