Finding the Fourth Proportional to 21,907,519.20, 30,263,300.16 and 19,944,118.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,907,519.20 : 30,263,300.16 = 19,944,118.08 : x
2. Step 2: Convert to fraction form
   21,907,519.20/30,263,300.16 = 19,944,118.08/x
3. Step 3: Cross multiply
   21,907,519.20x = 30,263,300.16 × 19,944,118.08
4. Step 4: Simplify right side
   21,907,519.20x = 603,574,831,881,522.88
5. Step 5: Solve for x
   x = 603,574,831,881,522.88/21,907,519.20
6. Step 6: Final answer
   x = 27,551,035.17