Finding the Fourth Proportional to 21,988,624.42, 30,347,943.96 and 12,202,212.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,988,624.42 : 30,347,943.96 = 12,202,212.16 : x
2. Step 2: Convert to fraction form
   21,988,624.42/30,347,943.96 = 12,202,212.16/x
3. Step 3: Cross multiply
   21,988,624.42x = 30,347,943.96 × 12,202,212.16
4. Step 4: Simplify right side
   21,988,624.42x = 370,312,050,819,710.56
5. Step 5: Solve for x
   x = 370,312,050,819,710.56/21,988,624.42
6. Step 6: Final answer
   x = 16,841,073.99