Finding the Fourth Proportional to 11,628,256.86, 17,443,578.42 and 4,445,831.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,628,256.86 : 17,443,578.42 = 4,445,831.61 : x
2. Step 2: Convert to fraction form
   11,628,256.86/17,443,578.42 = 4,445,831.61/x
3. Step 3: Cross multiply
   11,628,256.86x = 17,443,578.42 × 4,445,831.61
4. Step 4: Simplify right side
   11,628,256.86x = 77,551,212,331,149.88
5. Step 5: Solve for x
   x = 77,551,212,331,149.88/11,628,256.86
6. Step 6: Final answer
   x = 6,669,203.58