Finding the Fourth Proportional to 22,596,984, 31,183,180.56 and 12,808,329.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,596,984 : 31,183,180.56 = 12,808,329.12 : x
2. Step 2: Convert to fraction form
   22,596,984/31,183,180.56 = 12,808,329.12/x
3. Step 3: Cross multiply
   22,596,984x = 31,183,180.56 × 12,808,329.12
4. Step 4: Simplify right side
   22,596,984x = 399,404,439,620,865.88
5. Step 5: Solve for x
   x = 399,404,439,620,865.88/22,596,984
6. Step 6: Final answer
   x = 17,675,121.58