Finding the Fourth Proportional to 14,420,521.89, 19,879,118.69 and 10,976,764.77

Step by Step Solution

1. Step 1: Write the proportion equation
   14,420,521.89 : 19,879,118.69 = 10,976,764.77 : x
2. Step 2: Convert to fraction form
   14,420,521.89/19,879,118.69 = 10,976,764.77/x
3. Step 3: Cross multiply
   14,420,521.89x = 19,879,118.69 × 10,976,764.77
4. Step 4: Simplify right side
   14,420,521.89x = 218,208,409,640,156.72
5. Step 5: Solve for x
   x = 218,208,409,640,156.72/14,420,521.89
6. Step 6: Final answer
   x = 15,131,796.98