Finding the Fourth Proportional to 10,860,061.05, 16,285,280.18 and 3,669,642.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,860,061.05 : 16,285,280.18 = 3,669,642.45 : x
2. Step 2: Convert to fraction form
   10,860,061.05/16,285,280.18 = 3,669,642.45/x
3. Step 3: Cross multiply
   10,860,061.05x = 16,285,280.18 × 3,669,642.45
4. Step 4: Simplify right side
   10,860,061.05x = 59,761,155,440,323.44
5. Step 5: Solve for x
   x = 59,761,155,440,323.44/10,860,061.05
6. Step 6: Final answer
   x = 5,502,837.89