Finding the Fourth Proportional to 10,521,836.67, 15,783,367.34 and 2,949,392.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,521,836.67 : 15,783,367.34 = 2,949,392.91 : x
2. Step 2: Convert to fraction form
   10,521,836.67/15,783,367.34 = 2,949,392.91/x
3. Step 3: Cross multiply
   10,521,836.67x = 15,783,367.34 × 2,949,392.91
4. Step 4: Simplify right side
   10,521,836.67x = 46,551,351,656,978.20
5. Step 5: Solve for x
   x = 46,551,351,656,978.20/10,521,836.67
6. Step 6: Final answer
   x = 4,424,261.00