Finding the Fourth Proportional to 5,642,440.71, 7,788,951.72 and 3,809,381.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,642,440.71 : 7,788,951.72 = 3,809,381.82 : x
2. Step 2: Convert to fraction form
   5,642,440.71/7,788,951.72 = 3,809,381.82/x
3. Step 3: Cross multiply
   5,642,440.71x = 7,788,951.72 × 3,809,381.82
4. Step 4: Simplify right side
   5,642,440.71x = 29,671,091,079,025.73
5. Step 5: Solve for x
   x = 29,671,091,079,025.73/5,642,440.71
6. Step 6: Final answer
   x = 5,258,556.11