Finding the Fourth Proportional to 14,682,153.98, 21,989,683.72 and 7,011,172.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,682,153.98 : 21,989,683.72 = 7,011,172.18 : x
2. Step 2: Convert to fraction form
   14,682,153.98/21,989,683.72 = 7,011,172.18/x
3. Step 3: Cross multiply
   14,682,153.98x = 21,989,683.72 × 7,011,172.18
4. Step 4: Simplify right side
   14,682,153.98x = 154,173,458,744,662.91
5. Step 5: Solve for x
   x = 154,173,458,744,662.91/14,682,153.98
6. Step 6: Final answer
   x = 10,500,738.44