Finding the Fourth Proportional to 9,118,162.46, 12,581,831.59 and 5,198,424.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,118,162.46 : 12,581,831.59 = 5,198,424.23 : x
2. Step 2: Convert to fraction form
   9,118,162.46/12,581,831.59 = 5,198,424.23/x
3. Step 3: Cross multiply
   9,118,162.46x = 12,581,831.59 × 5,198,424.23
4. Step 4: Simplify right side
   9,118,162.46x = 65,405,698,106,334.15
5. Step 5: Solve for x
   x = 65,405,698,106,334.15/9,118,162.46
6. Step 6: Final answer
   x = 7,173,122.70